Big Bore Kits Super Special
Over $115 Discount ! Get yours today!
There’s no replacement for displacement! These 4” big bore cylinders with forged and coated KB pistons increase the displacement of an 88” Twin Cam to 97” and raise a 96” Twin Cam to a whopping 106” with no case machining. Both kits give you a 10:1 compression ratio. Available in black and natural finishes.
Take an Additionsl $50 off our already discounted prices - Thats over $115 in Savings!
Enter Savings code BigBoreKit at checkout
Performance at a fraction of the cost is what defines the RevTech® brand. We have 4 major goals when it comes to developing RevTech® products, high performance, exceptional reliability, and head-turning good looks at an affordable price. Our engineers and technicians spend thousands of hours developing performance oriented components to pump up your Harley-Davidson or Custom Motorcycle.