Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 4.9 cc 712002 1973-1973 GMC G35/G3500 Van

1973-1973 GMC G35/G3500 Van

Thread Gauge

Tail Pipe Saver

Ford-style solenoid

Powdercoated stamped steel

Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 4.9 cc 712002 1973-1973 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.