Speed Pro Performance Piston Rings - 4.000 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder E377K Brake Bias Valve 1-3/8 in 32 Spline

1-3/8 in 32 Spline

Product colors shown in photo are approximate

Pre-terminated and color coded with detailed installation instructions

This oil can also be used as a consistent monitor control oil or "reference oil" for engine studies using an engine dynamometer

Speed Pro Performance Piston Rings - 4.000 in Bore - Drop In - 5/64 x 5/64 x 3/16 in Thick - Standard Tension - Moly - 8-Cylinder E377K Brake Bias Valve 1-3/8 in 32 SplineProduct Description: Piston Rings Performance 4. 000 in Bore Drop In 5 64 x 5 64 x 3 16 in Thick Standard Tension Steel Moly 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 can