Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 0.0 cc YA0828KARTMM13 Spec-Pro Speedometers / Tachometers

Spec-Pro Speedometers / Tachometers

The Hot Rod Series is our line of carburetors that are designed for the street enthusiast

Designed to be used with Hooker BlackHeart Transmission Crossmembers (P/N 71222020HKR

Excellent cam for trucks

F-Body inlet/outlet location

Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 0.0 cc YA0828KARTMM13 Spec-Pro Speedometers / TachometersFully 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.