Speed Pro Hypereutectic Piston 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 16.0 cc - Coated Skirt 430-01-05 These carburetors feature venturi diameters

These carburetors feature venturi diameters of 1-7/16 for the primarys and 1-9/16 for the secondarys

Knowing your exact temp allows you to make sure you've got the proper oil weight and cooling capacity

setting valve lash or when degreeing the harmonic balancer

Ford Powerstroke 2008-10

1962-1966 Dodge Wm300 Power Wagon

Speed Pro Hypereutectic Piston 4.040" Bore 5/64 x 5/64 x 3/16" Ring Grooves Minus 16.0 cc - Coated Skirt 430-01-05 These carburetors feature venturi diametersSophisticated "barrel" profiles help optimize oil wedge between skirt and wall. Piston skirts protected by next gen DUROSHIELD coating. TAC ring groove geometry Weight matched to + 2 grams. Machined valve reliefs and circlip grooves; LR 63 lock rings for floated applicationsFrom pistons to engine bearing components, Speed Pro offers an array of performance engine parts. You can rely on Speed Pro for industry leading performance engine technologies,