SRP Flat Top Forged Piston - 4.280 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Minus 3.00 cc - Big Block Chevy - Set of 8 139477 Transmission Mount Second Strike's unique crank angle

Second Strike's unique crank angle offset (CAO) feature gives you tunability that no other box has

Valve stem holes are placed behind the center to prevent air leaks during wheel-to-wheel racing

Made of three 16 gauge welded tube construction

Dual 2-1/4 in Outlet

SRP Flat Top Forged Piston - 4.280 in Bore - 1/16 x 1/16 x 3/16 in Ring Grooves - Minus 3.00 cc - Big Block Chevy - Set of 8 139477 Transmission Mount Second Strike's unique crank angleProduct Description: Piston Flat Top Forged 4. 280 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Minus 3. 00 cc Big Block Chevy Set of 8 SRP pistons are designed and manufactured using the same knowledge, expertise, and quality control that professionals rely on from JE Pistons. The materials and manufacturing processes that are specific to SRP pistons allow us to offer the best possible products at very affordable prices. The SRP line is comprised of