KB

Updates stock 107", 114" or 117" motor to 124" or 128" when using 4.250" big bore cylinders Valve pockets are designed to accept up to +4.00 mm oversized intake and...

Super Duty Series includes: Anodized top ring groove and crown Line2Line abradable skirt coating applied to .003" total thickness for a zero initial fit to allow coating to hone in for a...

Super Duty Series includes: Anodized top ring groove and crown Line2Line abradable skirt coating applied to .003" total thickness for a zero initial fit to allow coating to hone in for a...

Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloy Allows a tighter fit and longer piston and ring life Diamond-machined pistons are held to plus or minus one...

New skirt coating technology is applied to the entire thickness of the piston-to-wall clearance for a zero install clearance; coating then abrades in on start-up to hone for the perfect fit per...

Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy Allow a tighter fit and longer piston and ring life Diamond-machined pistons are held to plus or minus one...

Replacement piston lock rings for KB Performance Piston Kits.

Pistons forged from 4032 aluminum alloy Offset pin design for quiet operation New superior coated skirts Each kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings 3.498...