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Ford / Mercury 1971-73
GM Fullsize Truck 2014-15
1/8" Small Head Rivets Stainless Steel
How to Build a Racing Powerglide
Single wire activation by switching power or ground
Speed Pro Speed Pro Piston Forged 4.350" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 7.0 cc LY23171 Ford / Mercury 1971-73Fully 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.
