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Ships within 48 hours · Estimated delivery Aug 8 - Aug 13
racing flywheels
1960-1974 Pontiac Bonneville
Includes roller bearing as well as a 6-degree advance/retard
Ultra lightweight and strong
5/16" and 3/8" fasteners for most AMC
Speed Pro Speed Pro Piston Forged 4.030" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 2.7 cc 931117 racing flywheelsFully 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.
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