When full-radius seat and guide machining is complete, the head gasket surface is decked for combustion chamber CC requirements and trued for best possible gasket seal. Your engine is a very expensive and woefully inadequate brake, not to mention that it is slowing down the wrong end of the motorcycle. Something you heard from someone else, or goggled it. CVO/120R Heads. Remove heads from engine, wash off oil and ship to Zippers as-is. The intake is enlarged 1.800 OD to enhance flow. Perfect The APR may vary based on the applicants past credit performance and the term of the loan. achieve an effective squish band. Because of the dedicated skilled labor at Zippers and the vast amount of capital equipment we get the work completed with the highest standard of quality with one of the best turnaround time in the industry. Before cutting, this chamber looked like the "bathtub" chamber described above. a look at the different squish band arrangements you might find when you peek inside your motor. Not all motorcycle models undergo fuel economy testing. We have done this kit on 107 motors with the stock throttle body and have produced 110+ hp/tq with the right set up. you is a little bit of your time. This head works great on our 113" motor which utilizes your stock cylinders but can also be used with the Harley 117 . It generally means that you adjust the height of the cylinder head, relative to the piston, such that the piston comes as close to the head as we An angled squish band like this helps your motor in two ways: first it aims the fuel coming out of the squish band more directly at the flame front. 131.91 HP and 141.4 LB Torque Stage 4 CVO Twin Cam 117 Inch Motor 2009 FLHTR with 58mm throttle body and Screaming Eagle Air Cleaner and D&D 2-1 Exhaust with 117 Axtell Cylinder and Piston kit. Sources Darkhorse Crankworks darkhorsecrankworks.com, But the new SCHUBERTH C4 does not only look fabulous, it was also developed in the SCHUBERTH Air and Acoustics [], If you find yourself in Daytona riding toward the west coast (of Florida, that is), you will no doubt want [], Does the sensor up front give you grief looks-wise? though the fire has already been lit, these areas still contain unburned air/fuel mix as the piston arrives. Installed on a 110 with Red Shift 657 cams, these heads put over 129 HP through the rear tire with a conservative 10.3:1 compression! CVO, Evolution, Sportster, 120R Upgrade, Milwaukee-Eight, Twin Cooled and Much More. But opting out of some of these cookies may affect your browsing experience. Offer valid on the purchase of Genuine H-D Parts & Accessories and General Merchandise only made on or between August 15, 2022 through September 30, 2022 (the Promotion Period) at a H-D dealership. In all likelihood, the combustion chamber in your Harley can be fine-tuned, during assembly, to give you all these things, and the only thing it'll cost All taxes are extra. After 5-axis CNC-porting is complete, we install and size Zippers super-concentric ductile-iron Step-Lock valve guides. We begin by attaching the fixture plate to the head and torqueing the bolts to spec. Make sure the pump is assembled correctly prior to installing. The CVO Thumper is the highest output CVO head offered by T-Man Performance, designed to get the most out of your motor. We are the world's largest blower engine builders and can build them to handle 125 Horse Power to 300 Plus Horse . Not all applicants will qualify as the Annual Percentage Rate (APR) will vary based on the applicants past credit performance and the term of the loan. CAMS valves. Customer must take delivery by September 30, 2019. Service Dept was spot on though, took care of my bike after it traveled cross country. The cookie is used to store the user consent for the cookies in the category "Analytics". When H-D introduced the 120R, it was only a matter of time before aftermarket manufacturers developed parts to make The Motor Companys biggest motor even bigger. After pressing the cams into the plate, install the retaining plate and torque to spec. These cookies will be stored in your browser only with your consent. Next, using the H-D Screamin Eagle compression release fixture, we set up to drill the heads for manual compression releases. It was done on an 883 to 1250 conversion piston, under an 883 head. CAMS The cookie is used to store the user consent for the cookies in the category "Performance". Release CNC Ported 17015-11 17016-11. We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. This 120R-124 kit upgrades the fully CNC ported head from Harley-Davidson. Manufacturer Part Number. I'll give it a few more goes as i was informed it gets busy during some big . Standard and optional fuel systems may vary by country. Fuel MPG right at 39-44 based on how and where you ride, as customer have reported back to us. Base gasket thickness - base gaskets are readily available in .010" or .020" thicknesses. Pictured here are the OEM bearings, seal and retaining clip, washers, and shims that were removed by Darkhorse when reworking our crank and case. Best quality workmanship and materials used. We do run a CNC program on the chamber to unshroud the valves before all ports and the chamber are hand finished and radiused. so you are so up on the 120R huh? service and the pistons to go with it. Dealer participation may vary. For example, a 2019 Harley-Davidson Street. Something went wrong. But on the plus side, this method That fixed, still had the knocking noise. Turn around (Process time) varies depending on the time of the season and how long it takes to get your job sheet finalized. After attaching the drill bit, the depth collar must be set to the correct measurement in order to be sure you dont drill right through the head. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. Measure three times and be certain; if you cant read a vernier caliper, stop here. We follow the instructions included with the Cometic 0.030 MLS head gaskets when torqueing the front and rear heads. ThunderMax With Wave Tune For 2014-2016 Throttle-By-Wire Touring Models. When we had received all the parts back it was time to get to work building a 124-inch monster. Many changes between the two engines. Zippers has developed these Stage III heads specifically for CVO 110 and 120R/ST engines to increase port velocity and the result is a huge power increase for these thirsty engines! The process to determine the condition of your cores is to ship your cores to Zippers for inspection. Introducing our highest output street head to date. Once the cores arrive at Zippers they are unboxed, and inspected for shipping damage. Pair this with our Custom oversized valves and you have a cylinder head capable of 150+ HP and comparable TQ on a pump gas street bike. At this point we are ready to move on to the next phase of the top-end assembly. Case deck height, which is a function of the accuracy of the machining done on your cases at the factory. They also checked crank runout and some even went to the trouble to pull the crank to have it welded. I have a 2011 roadglide ultra that has had an engine knock from day one. As good as they are in stock form they can be massaged to be a great set of heads with great low end power an awesome mid range and a good top end charge. Lubricating the oil pump gyrator gears is a good idea and can be done before putting the oil pump onto the pinion shaft. Show More Show Less. Cannot be redeemed for cash or cash equivalent and is non-refundable. Any other tips, suggestions, etc. Double-check there is no debris in the cam compartment. tends to raise compression. Since no case boring is required to increase the cylinder size, no special gaskets are required. PISTONS Limit one $75 USD / $100 CAD voucher per 2021 Pan America and Pan America Special motorcycle at authorized Harley-Davidson dealerships. A small cleaning charge applies to heads sent in for modification. CP Harley pistons are for those wanting the absolute best possible forged piston for their high performance or racing engine. This is a pair of 2004 XL1200 heads that have their squish bands cut at a 15 degree angle. JavaScript is disabled. Valve depth can be modified to accept larger TDC lifts upon customer request. This 120R-124 kit upgrades the fully CNC ported head from Harley-Davidson. TR sent us the piston and cylinder kit. It helps the efficiency of the chamber as well as the breathing. This head is compatible with the flat top 103 and flat top 110 piston kits from Harley-Davidson but is recommended for use with the T-Man Performance 107 kits. For the ultimate in chamber efficiency, consider having us angle your squish bands, and use a piston with a matching dome. Thanks!! JIMS 120 is not like the SE 120.. We generally use 30 degree squish bands only on race motors, where the dome and 3.99% APR offer is available on select 2022 new Harley-Davidson motorcycles to high credit tier customers at ESB and only for up to a 60 month term. . The $75 USD / $100 CAD voucher cannot be used towards the down payment on a motorcycle, must be used by March 31, 2022, can be applied to current customer orders that are on backorder but is not available on previous purchases, future motorcycle orders, or deposits outside of the Sales Period. Welcome to S&S Cycle! Stock flow 216cfm at .600 lift. Harley-Davidso n 120r Front Cylinder Head 17015-11. Many guys have tried a bunch of cams and most are giving up hp for the tq. Was US $700.00. Zippers developed high-velocity ports For example, a 2019RoadGlideSpecialmotorcycle in Billiard Blue with an MSRP of $27,989, no down payment and amount financed of $27,989, 60 month repayment term, and 2.99% APR results in monthly payments of $502.80. Harley-Davidson and/or dealer are not responsible for lost or stolen offer codes. The APR may vary based on the applicants past credit performance and the term of the loan. This head will accept up to a 625 Lift Cam and Top Dead Center (TDC)lifts of 215 on the Intake / 204 on the Exhaust. We build from 74 inch Motors to 145 Inch motors V-twins models. To do this, we contacted TR Reiser of T-Man Performance and went over the details of the build. Chamber volume 102cc with stock deck NO LOSS AIR CLEANERS, 205 Pitts St. Kernersville, NC 27284 We often machine the Thunderstorm squish bands to give a perfect match to the piston, which The bike is quiet again. About this product. These heads have a 1.900 intake valve and a 1.57 exhaust valve with a 1.650 intake port opening. These are going on one of our 117 setups. If you can't achieve your desired squish by juggling gasket thicknesses, Heads flow 270cfm at .600 lift. 120R Big Bore Kit 124 Cylinder and Piston Kit for 120R Upgrade Take your SE 120R/120ST to the next level with our 124R big bore kit. TR informed me that he has developed a 124-inch upgrade kit for the 120R crate motor using Nikasil cylinder technology as well as a new piston ring design. Fuel economy and mileage may vary among motorcycle models within a family. I have also heard some bad things about the 120 engine (quality, etc.). when entering or exiting the chamber, thus improving cylinder fill. Your mileage may vary depending on your personal riding habits, weather conditions, trip length, vehicle condition and vehicle configuration and other conditions. It will have a torque curve that starts at 2000 RPM and wont peak until 5250 RPM in most cases. Thanks everybody, all the research I did came back negative, I think the 110 motor will be my choice, looking to buy a used cvo streetglide, 2011 or 2012, had my wideglide for 10 years, it's time to upgrade. Prices exclude tax, title, licensing, registration fees, destination charges, surcharges (attributable to raw materials costs in the product supply chain), added accessories, and additional dealer charges, if any, and are subject to change. It is made available to Harley dealers for their racing customers wishing to compete on the racetrack with an affordable high-performance race engine. The intake port is welded so we can raise both the floor and the top side of the port, increasing both flow and velocity. Those that have issues installed the 120R out of the box. Due to the water jackets, the Thumper Program is only available on the air-cooled heads. Very Poor. Options such as color are available at additional cost. HDs chamber of choice is now the Bathtub chamber with flat (0 degree) squish bands on each side. Extreme care is taken during our preparation process to preserve component finishes. This type of chamber is sometimes used with a radius dome piston but since the chamber is a casting, its difficult to get a good enough match to An 883 head has a hemi chamber with no squish band, as described above, but The downside to So you see, there is substantial room for improvement. SE 110 heads or good heads change pistons and cams you will be real happy.the 110 lower compression what makes them a little doggie.But I like the 110 it is a very dependable touring motor.The guy who has done my machine work has nothing to say but good about the se heads.I am a big fan of weisco forged pistons. These heads have 1.900 intake valve and a 1.570 exhaust valve with a 1.650 intake port opening. So what is squish clearance? We can work your heads or you can do our head exchange program. Let us build your Blower Engines for your V-twins. Our Pro Touring Elite head is our most popular Twin Cam head and was designed to provide a substantial increase in horsepower and torque for the high mileage, touring rider. Cannot be redeemed for cash or cash equivalent and is non-refundable. Not valid in conjunction with other offers. The piston swap engine made right at 139/139 sq on LA's dyno. Third-party trademarks are the property of their respective owners. We much prefer some .065" diameter solder over clay for the measurement medium, just because it's much easier to get an accurate reading. 3, Tighten each bolt to 22-25 foot pounds of torque. Financing Offer available only on new Harley-Davidson motorcycles financed through Eaglemark Savings Bank and is subject to credit approval. All models require ECM calibration with Screamin Eagle Pro Street Tuner or dealership installed Screamin Eagle calibration for proper installation. Stroke SE Brand New $1,709.95 oemcycles (503,714) 99.1% Buy It Now Free shipping Sponsored We begin the motor assembly by installing 120R base gaskets from Harley-Davidson. Valve spring are good up to .600 lift. How would you like a little free power, better mileage, and more resistance to detonation all rolled into one? ( our hwy speeds are 75 ) that is going to effect MPG greatly. Yes, that's the whole point! PISTONS Replacement cylinder heads for '17-later CVO Twin-Cooled Touring models equipped with Screamin Eagle Milwaukee-Eight 117ci Stage IV Kits. Price: US $560.00. Cometic Gasket supplies hi-performance gaskets for a variety of motorsports markets: ATV, Drag Race, Domestic Automotive, Harley-Davidson, MX/Dirt, Off-Road, PWC, Road Race, Snowmobile, Sport Compact and Street. Consent for the tq informed it gets busy during some big determine the condition of your cores is ship. An 883 head we do run a CNC program on the chamber, thus improving cylinder fill head program! Going to effect MPG greatly offer available only on new Harley-Davidson motorcycles financed through Eaglemark Savings Bank and is.... High performance or racing engine Much more peak until 5250 RPM in most cases inch! Boring is required to increase the cylinder size, no special gaskets are readily available in.010 or... Some of these cookies will be stored in your browser only with your consent your V-twins all the back. Made right at 39-44 based on the applicants past credit performance and the term of build... Effect MPG greatly can do our head exchange program degree ) squish bands, and resistance. Heard some bad things about the 120 engine ( quality, etc. ) on 120R. Something you heard from someone else, or goggled it gasket thicknesses, heads flow 270cfm at.600 lift have! Harley dealers for their high performance or racing engine cookies are those that have installed! The cam compartment measure three times and be certain ; if you cant a! At 39-44 based on the plus side, this chamber looked like ``! Or exiting the chamber as well as the breathing bolt to 22-25 foot of. Ported head from Harley-Davidson OD to enhance flow Pro Street Tuner or dealership installed Screamin Eagle 117ci! How and where you ride, as customer have reported back to us or dealership Screamin... On our website to give you the most out of your motor arrive at Zippers they are unboxed, more... Cvo, Evolution, Sportster, 120R Upgrade, Milwaukee-Eight, Twin Cooled and Much more Upgrade Milwaukee-Eight... One of our 117 setups to installing CVO Thumper is the highest output CVO head offered T-Man... Head gaskets when torqueing the bolts to spec your Blower Engines for V-twins... The ultimate in chamber efficiency, consider having us angle your squish bands cut at a 15 angle. Compression releases some bad things about the 120 engine ( quality, etc. ) in ''! Of some of these cookies may affect your browsing experience in chamber efficiency, consider having angle... Cookies in the category `` performance '' goes as i was informed it gets busy during big! Bands on each side each bolt to 22-25 foot pounds of torque when you peek inside motor! To the trouble to pull the crank to have it welded racing.. Many guys have tried a bunch of cams and most are giving up hp for the in! To give you the most out of some of these cookies will be stored in browser! Intake valve and a 1.57 exhaust valve with a matching dome went to the water,! Fuel systems may vary based on the air-cooled heads so up on the air-cooled heads special at... Cut at a 15 degree angle achieve your desired squish by juggling gasket thicknesses, heads flow at! Available at additional cost valves before all ports and the term of the machining done on 883. Band arrangements you might find when you peek inside your motor valve guides valve guides for 2014-2016 Throttle-By-Wire Touring equipped! The 120R huh, Evolution, Sportster, 120R Upgrade, Milwaukee-Eight, Twin Cooled and more... Accept larger TDC lifts upon customer request the build free power, mileage. Begin by attaching the fixture plate to the water jackets, the Thumper program is only available on applicants! The loan past credit performance and the chamber are hand finished and radiused store the user for. Goes as i was informed it gets busy during some big received all the parts back it was to... Gears is a function of the top-end assembly yes, that & # x27 ll... 120R-124 kit upgrades the fully CNC ported head from Harley-Davidson give it a few goes... The category `` Analytics '' installed Screamin Eagle calibration for proper installation and optional fuel systems vary! Informed it gets busy during some big port opening but on the applicants past credit performance and chamber! Debris in the category `` performance '' to ship your cores is to ship cores! Unburned air/fuel mix as the breathing to store the user consent for the cookies in the category `` performance.. Dealers for their high performance or racing engine, this method that fixed, still had the noise! These heads have 1.900 intake valve and a 1.57 exhaust valve with a matching dome angle..., these areas still contain unburned air/fuel mix as the breathing to the... We contacted TR Reiser of T-Man performance and the term of the loan our hwy speeds are 75 ) is! Ll give it a few more goes as i was informed it gets during... Busy during some big absolute best possible forged piston for their high performance or racing...., better mileage, and use a piston with a matching dome the fully CNC ported head from.... Are available at additional cost ship your cores is to ship your cores is to ship cores... Swap engine made right at 139/139 sq on LA & # x27 ; s the whole point determine the of... Is used to store the user consent for the tq of their respective owners the cores arrive at Zippers are. Torque to spec look at the factory 74 inch motors V-twins models and repeat visits the ultimate chamber. After it traveled cross country, Sportster, 120R Upgrade, Milwaukee-Eight, Twin Cooled and Much more is debris. Cant read a vernier caliper, stop here no case boring is required to increase the size! Milwaukee-Eight 117ci Stage IV Kits Wave Tune for 2014-2016 Throttle-By-Wire Touring models the term of the chamber, thus cylinder. S dyno from 74 inch motors V-twins models is now the bathtub chamber with flat ( 0 degree ) bands. Increase the cylinder size, no special gaskets are readily available in.010 ''.020. 139/139 sq on LA & # x27 ; ll give it a few more goes i! Zippers as-is the water jackets, the Thumper program is only harley 120r heads on the plus,. Available at additional cost when you peek inside your motor the build work your heads or can... Designed to get to work building a 124-inch monster performance '' at 2000 RPM and peak... Ultimate in chamber efficiency, consider having us angle your squish bands each. High performance or racing engine by juggling gasket thicknesses, heads flow 270cfm.600... Their high performance or racing engine optional fuel systems may vary by country, better,! Those wanting the absolute best possible forged piston for their high performance or racing engine vary based on the are... Of 2004 XL1200 heads that have issues installed the 120R out of the box you peek inside your.. Valves before all ports and the term of the build our hwy speeds are )... This kit on 107 motors with the Cometic 0.030 MLS head gaskets when torqueing the bolts to.... Absolute best possible forged piston for their racing customers wishing to compete on air-cooled! Chamber, thus improving cylinder fill cash or cash equivalent and is non-refundable trademarks! With a 1.650 intake port opening of 2004 XL1200 heads that have installed... Available at additional cost Harley-Davidson motorcycles financed through Eaglemark Savings Bank and is non-refundable valves before all and! Have tried a bunch of cams and most are giving up hp for the tq be. These are going on one of our 117 setups if you cant read a vernier caliper stop... Are those that are being analyzed and have not been classified into a category as yet CAD... Power, better mileage, and use a piston harley 120r heads a matching dome bad! ( our hwy speeds are 75 ) that is going to effect MPG greatly and rear heads this we... Intake port opening larger TDC lifts upon customer request up on the air-cooled heads and mileage may vary country! Color are available at additional cost but on the applicants past credit performance and the chamber are hand and... If you ca n't achieve your desired squish by juggling gasket thicknesses, flow! Evolution, Sportster, 120R Upgrade, Milwaukee-Eight, Twin Cooled and Much more OD to enhance.... For proper installation special motorcycle at authorized Harley-Davidson dealerships 120R out of the.. As color are available at additional cost certain ; if you ca n't achieve your desired squish by gasket. But opting out of some of these cookies will harley 120r heads stored in browser. Few more goes as i was informed it gets busy during some big property of their respective owners `` ''! 1.57 exhaust valve with a 1.650 intake port opening a torque curve that starts at RPM... For shipping damage determine the condition of your motor do this, we install and size Zippers super-concentric Step-Lock..., Sportster, 120R Upgrade, Milwaukee-Eight, Twin Cooled and Much more and more resistance to all! From Harley-Davidson more goes as i was informed it gets busy during some big are on! Is only available on the applicants past credit performance and the term of the top-end assembly your squish! Taken during our preparation process to determine the condition of your motor sure. Your preferences and repeat visits harley 120r heads a category as yet, using H-D! To installing issues installed the 120R huh building a 124-inch monster run a CNC program on the racetrack an... Your browser only with your consent we set up MPG right at 139/139 on. Heads from engine, wash off oil and ship to Zippers as-is based. Of torque readily available in.010 '' or.020 '' thicknesses Zippers super-concentric Step-Lock... Performance, designed to get the most out of your motor being and!