Speed Pro Hellfire Piston Rings 4.280" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension Fuel Cap billet fuel sample valve

billet fuel sample valve

3/4 in Hole Required

Bent tubes are angled forward to mount the front wing forward

They utilize the best features from Holley's Race Bred 4150 HP(TM) carbs

Speed Pro Hellfire Piston Rings 4.280" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension Fuel Cap billet fuel sample valveTop 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