Our Bolt-On Big Bore kits for Harley-Davidson® Twin Cam engines have not only proven themselves on the dyno but in the real world also! Tired of the headache of trying to piece together engine packages that may or may not work the way you planned? We have done the research for you and even packaged the proper components at significant savings over buying them separately!
For the really BIG horsepower numbers, Stage 3 kits are available in bigger bore sizes. These kits are custom tailored to your needs and budget so call for details.
Stage 2 Bolt-On Engine Kit - hotter cams for 105-107+ rwhp and 110-115 lb/ft of rwtq!* Completely pump gas friendly and easy on the wallet!
Stage 3 Bolt-On Engine Kit - 98" of Whoop Ass! Look for rwhp and tq numbers headed towards 120!* What a deal!
When ordering call us at 866-892-2109 to clear up any questions and provide us with details about your bike. This will aid us in giving you proper porting. Our sales staff will also follow up online orders with a phone call to make sure everything goes smoothly for you.
*Your results may vary. Throttle body, lifters and roller rocker arms not included.
Available for both Gear Drive and Chain Drive!
Buy Online or Call today toll-free 1-866-892-2109!