Speed Pro Premium Piston Rings 4.000" Bore 1.50 x 1.50 x 4.00 mm Thick Standard Tension - Moly H765001XL Seal housings are O-ring type

Seal housings are O-ring type with spring-loaded seals

Computes tire temp averages for temps just taken

B&M Deep Pans

and twisting

Reusable spacers replace the stock crush sleeve and eliminate pinion bearing failure

Speed Pro Premium Piston Rings 4.000" Bore 1.50 x 1.50 x 4.00 mm Thick Standard Tension - Moly H765001XL Seal housings are O-ring typeProduct Description: Piston Rings Performance 4. 000 in Bore Drop In 1. 5 x 1. 5 x 4. 0 mm 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