SRP Forged Flat Top Piston Set - SB Chevy - 4.155" Bore, 3.750" Stroke, 6.000" Rod Length BM-1.75 these retainers have a black-oxide

these retainers have a black-oxide finish for rust and corrosion protection

Seven hole lace-up with dual speedfit closure and lace guard

also inevitably

3/16" Compression to 1/8" NPT connector fitting and mating 1/8" NPT weld fitting

dual-fuel capable

SRP Forged Flat Top Piston Set - SB Chevy - 4.155" Bore, 3.750" Stroke, 6.000" Rod Length BM-1.75 these retainers have a black-oxideSRP pistons, manufactured by JE, are "making performance affordable". SRP specific designed forgings eliminate several phases of the manufacturing process, saving time and cutting costs with high volume production. All pistons are machined to accept 1 16" top, 1 16" second and 3 16" oil rings. Sold in sets of eight, with wrist pins and double Spiro Locks. SRP pistons are designed and manufactured using the same knowledge, expertise, and quality