S&S CYCLE 128" Big Bore Cylinder Kit with Wrinkle Black Finish - Part 910-0684A RISERS Cylinder & Piston Kit -

Cylinder & Piston Kit - 80" - Evolution Big Twin - Wrinkle Black Upgrade your Harley-Davidson Evolution Big Twin with the S&S Cycle 80-Inch Cylinder & Piston Kit

Expanding knuckle gussets provide extra flexibility and protection for your knuckles

REKLUSE's strategic engineering increases oil flow within the clutch assembly

Expanding knuckle gussets for flexibility

S&S CYCLE 128" Big Bore Cylinder Kit with Wrinkle Black Finish - Part 910-0684A RISERS Cylinder & Piston Kit -Cylinder Kit 128" Big Bore Wrinkle Black w Highlights 114" 117" M8 Enhance your M8 engine with the S&S CYCLE 128" Big Bore Cylinder Kit, designed for optimal performance and durability. Featuring a 4. 250 inch bore, this kit provides increased displacement for more power and torque. The updated profile is engineered to work seamlessly with the stock bolt pattern, measuring 4. 840 inches, ensuring compatibility with your existing components. Made in