Exit the Ordinary™ with big bore kits, crankshaft balancing and other
performance parts and services for your Harley-Davidson® or Buell
® motorcycle.

New 135 cid Monster Kit!

For JIMS® 120 engines 135 cid Twin Cam Monster Big Bore Kit photo
We’re serious about these being Monsters and we’re only selling them through the expert with BIG numbers, T-Man Performance. This partnership has created a total package that delivers more than 150 rear wheel horsepower and 150 ft/lbs of torque!
More information...


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Accelerator Podcast No. 13
How Crankshafts Affect
Your Bike’s Power

Click here for the podcast

Accelerator 13: Crankshafts and Power Delivery
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Shamrock Cycles
of Austin, TX
in our Dealer Spotlight

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Here’s what our customers have to say about us:

“...parts that were designed to run together, that fit, offer outstanding performance, and excellent customer support, made our choice a ‘No Brainer’.”
—Terry Parsley, Principal Partner, JT&S Performance

“We at Open Road Harley Davidson are impressed with the solid performance gains and unquestionable reliability of Revolution Performance's products”
—Steve Sutheimer, Service Manager, Open Road Harley-Davidson

“We’ve had great success...”
—Ron Cairns, RC Cycles

“Just want to thank you for all of your great products and service, flawless!”
—Justin Grobe, Clinton Harley-Davidson

“All the products that you deal are excellent... also availability and customer service are excellent”
—Marcello, Free Spirits, Italy

“The Head Quarters staff continues to be impressed by the availability and speed at which our orders for cylinder kits are being filled. Keep up the good work guys.”
—Doug Coffey Head Quarters

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