Mahle 929040435 SBC 1.550 X 4.035 21 Flat Top Pro Series Piston Set
The MAHLE Pro Series piston is race-ready and designed for professional racing oval, dirt, circle track, and drag. MAHLE gives you a competitive edge with pistons that are perfectly prepared when you take themout of the box. We machine the correct valve reliefs, dome profiles and ring grooves for competition. We fit the pins with proper clearances.Then we inspect and hand deburr every piston. Plus, with factory applied phosphate and Grafal+ skirt coatings, you eliminate the expense and uncertainty of aftermarket coatings.
All MAHLE Pro Series pistons are forged from a MSP25/2618 alloy unless otherwise noted.
Chevrolet Small Block 21 Degree Flat Top Pistons feature:, Designed for severe angle milled cylinder heads, 8 Lateral gas ports, High Quality prefit steel pin, Round wire locks, , .043", .043", 3mm rings required