Speed Pro Hellfire Piston Rings 4.375" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension Racing Radios & Components Power Grid Controller PN 7730

Power Grid Controller PN 7730 and 77303

Proudly designed in Arroyo Grande California

The 5" and 3 3/8 tachs are both analogue tachs with no micro processor therefore they are legal under any sanctioning body including NASCAR

New lower housing casting for enhanced fuel flow

This machined torque absorber is made from solid steel

Speed Pro Hellfire Piston Rings 4.375" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension Racing Radios & Components Power Grid Controller PN 7730Top ring is an uncoated special hardened and tempered high strength material that withstands high heat a pressure without collapsing. Standard tension oil ring to provide maximum oil control Ensures dependable performance and superior service life Application specific design to ensure a perfect fit and correct operation for unsurpassed quality that you can trustFrom pistons to engine bearing components, Speed Pro offers an array of performance engine