Speed Pro Speed Pro Piston Forged 4.155" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 18.0 cc Kwik-Change Products Very high dry boiling point

Very high dry boiling point of 325C and a wet boiling point of 204C

Bell Crank / Linkage / Pedal Included

Miata 1989-1997

RidePro E5

3 3/8 x 3/4

Speed Pro Speed Pro Piston Forged 4.155" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 18.0 cc Kwik-Change Products Very high dry boiling pointFully 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.