Proform Pro Crankshaft Socket 42060BL 90-94 C1500 SS 454 (w/

90-94 C1500 SS 454 (w/ C-Notch) 6" Rear DropVehicle Applications: 1988-1998 Chevrolet Silverado/Sierra C1500 (All Cabs) 6 lug

1963 thru 1980 Mercury Cars 6/8 Cylinders

1979-1998 GMC K2500 Suburban

Ford EFI Intake Flange

Proform Pro Crankshaft Socket 42060BL 90-94 C1500 SS 454 (w/Proform Pro Crankshaft Socket 67491 Small Block Chevrolet Crank Turning Socket PROFORM invites racers to experience the strength, innovation, and power behind the PROFORM brand. PROFORM Parts (Specialty Auto Parts U. S. A., Inc.) is a leader in the High Performance Automotive Aftermarket by engineering and manufacturing creative products from intelligent concepts. Our goal is to provide the performance enthusiast with innovation, quality, and