Speed Pro Premium Piston Rings 4.080" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 15-NEC-CAP Fits through factory bumper cut-outs

Fits through factory bumper cut-outs

Manufactured from a moisture wicking soft-knit Nomex® and handcrafted with a flat-seam interlocking stitch for enhanced comfort

filtered air to the driver for cooling and to help prevent shield fogging

Designed for race applications where oil is clean and frequently inspected and changed

Speed Pro Premium Piston Rings 4.080" Bore 5/64 x 5/64 x 3/16" Thick Standard Tension - Moly 15-NEC-CAP Fits through factory bumper cut-outsProduct Description: Piston Rings Performance 4. 080 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