Speed Pro Speed Pro Piston Forged 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.4 cc Micro / Mini Sprint Suspension BBK EXHAUST IS BUILT WITH

BBK EXHAUST IS BUILT WITH CNC MANDREL BENT 1-3/4 TUBING FOR 35% INCREASED FLOW OVER STOCK TO INCREASE HORSEPOWER

50% greater high-temp viscosity and 1/5 of the high-temp evaporation

2005-2007 Ford Five Hundred

Flapper mounts under 12-bolt bail handle fuel caps

but the slots in the center of the crossmember will need to be elongated in the forward direction

Speed Pro Speed Pro Piston Forged 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Minus 5.4 cc Micro / Mini Sprint Suspension BBK EXHAUST IS BUILT WITHFully 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.