Speed Pro Economy Piston Rings - 4.000 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Cast - Phosphate - 8-Cylinder E377X 2070099 Activates fan #2 at 10

Activates fan #2 at 10 degreesF warmer than fan #1

Extra large 1 in tubes

1977-1986 Buick Regal

scooped hood

they maintain three separate divisions: Scat Crankshafts

Speed Pro Economy Piston Rings - 4.000 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Cast - Phosphate - 8-Cylinder E377X 2070099 Activates fan #2 at 10Product Description: Piston Rings Economy 4. 000 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Cast Iron Phosphate 8 Cylinder From 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, from cutting edge Digital Diamond Profiled pistons to A Series bearings. They are engine components performance enthusiasts and racers