SRP BB Chevy High Compression Dome Forged Piston Set - 4.320 Bore +43cc BR1012 5 in Square

5 in Square

but honestly

Opening Vacuum 5

Donovan 700 / DRC2

6 in Shank Double Cut 3/8 in Oval Carbide Burr

SRP BB Chevy High Compression Dome Forged Piston Set - 4.320 Bore +43cc BR1012 5 in SquareProduct Description: Piston BBC High Compression Dome Forged 4. 320 in Bore 1 16 x 1 16 x 3 16 in Ring Grooves Plus 43. 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