Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 0.0 cc YA0828KARTMM13 Features large 2-1/2'' rubber mounted

Features large 2-1/2'' rubber mounted indicator light

Excellent cam for trucks

we use our exclusive two-step slow forging process using EV8 stainelss steel on both intake and exhaust valves

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

Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 0.0 cc YA0828KARTMM13 Features large 2-1/2'' rubber mountedFully 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.