Speed Pro Speed Pro Piston Forged 4.124" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 21.0 cc Shocks 1971-1972 GMC G35/G3500 Van

1971-1972 GMC G35/G3500 Van

Wrap around seat belt pull up

This is the ideal spring for customers looking for a performance spring

DT50 utilizes advanced mPAO synthetic base oils to provide protection for high operating temperature turbocharged engines

Measurements: 22"W x 4

Speed Pro Speed Pro Piston Forged 4.124" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 21.0 cc Shocks 1971-1972 GMC G35/G3500 VanFully updated skirt profiles Exclusive DUROSHIELD skirt coating. DUROSHIELD provides scuff resistance, reduced bore clearances and enhanced ring sealing. SPEED PRO POWERFORGED pistons are built to stringent specifications with a precision CNC machined dome and skirts and microfinished ring grooves. The manufacturing process ensures that piston weights within a boxed set will not vary more than 4 grams and that skirt sizes are matched to within 0.