Speed Pro Hellfire Piston Rings 4.280" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension Video Accessories a boost only version is

a boost only version is also available for diesel or extreme boost applications

Ford Explorer Sport Trac 2001-05

8 AN Hose Barb

Set of two plates

Red Filter

Speed Pro Hellfire Piston Rings 4.280" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension Video Accessories a boost only version isTop 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