SRP Forged Flat Top Piston Set - SB Chevy - 4.030" Bore, 3.480" Stroke, 5.700" Rod Length 931013 The Pro tubs are 28"

The Pro tubs are 28" X 45" and the intermediate wells are 28" wide and 40" in length

GMC: K3500 99 - 00 5

Easy To Adjust Mechanical Advance Assembly

Feeler Gauge

Duration 204 / 212

SRP Forged Flat Top Piston Set - SB Chevy - 4.030" Bore, 3.480" Stroke, 5.700" Rod Length 931013 The Pro tubs are 28"SRP 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