JE Pistons Standard 23 Degree Domed Forged Piston Set - SB Chevy 401 C.I. - Bore" 4.125" - Stroke: 3.750" - Rod Length: 6.000" 2010057 Constructed with an embossed 10 the tubular design allows SCOBRS0054U0K01060 150-45-6712K Size:7-5/8+ (61+)

Constructed with an embossed 10 mil aluminum face bonded to 1DO NOT apply directly to exhaust components

Designed for Gen IV engines with LS3

also functions as a direct replacement for all shift lights

We've improved the original small-block design with extra-thick decks and high-capacity water jackets that increase reliability in high-performance applications

Spindle Nuts

JE Pistons Standard 23 Degree Domed Forged Piston Set SB Chevy 401 C.I. Bore" 4.125" Stroke: 3.750" Rod Length: 6.000" 2010057 Constructed with an embossed 10 the tubular design allows SCOBRS0054U0K01060 150 45 6712K Size:7 5 8+ (61+) Constructed with an embossed 10 mil aluminum face bonded to 1DO NOT apply directly to exhaust components Designed for Gen IV engines with LS3