Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 0.0 cc RG40003S This weatherproof Fan-Thom II kit

This weatherproof Fan-Thom II kit is inexpensive protection for an electric fan and a vehicle's wire harness

Helps shield fire walls

1973-1973 Chevrolet Monte Carlo

Every one of our fans can be configured in the following layouts:

Speed Pro Speed Pro Piston Forged 4.280" Bore 5/64 x 5/64 x 3/16" Ring Grooves - Plus 0.0 cc RG40003S This weatherproof Fan-Thom II kitFully 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.