Speed Pro Speed Pro Piston Forged 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.7 cc 931117 Includes roller bearing as well

Includes roller bearing as well as a 6-degree advance/retard

Derale Single Fan Controller Adjustable 150-241 16779

5/16" and 3/8" fasteners for most AMC

OE factory bushings are known to deflect more than a ¼ inch in turns which equates to almost 1 degree of lost camber and unpredictable handling

120 in Bore

Speed Pro Speed Pro Piston Forged 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.7 cc 931117 Includes roller bearing as wellFully 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.