Speed Pro Premium Piston Rings 4.000" Bore 1.50 x 1.50 x 4.00 mm Thick Standard Tension - Moly H765001XL Computes tire temp averages for

Computes tire temp averages for temps just taken

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

Cylinder heads provides race-level performance while maintaining full compatibility with off-the-shelf headers and hardware

2004-2017 BMW X3

and twisting

Speed Pro Premium Piston Rings 4.000" Bore 1.50 x 1.50 x 4.00 mm Thick Standard Tension - Moly H765001XL Computes tire temp averages forProduct 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