Speed Pro Hellfire Piston Rings 4.280" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension Fuel Cap They utilize the best features

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

1961-1961 Oldsmobile Classic 98

billet fuel sample valve

This assists in setting up the proper rotor phasing for accurate timing and spark

When you're done riding

Speed Pro Hellfire Piston Rings 4.280" Bore File Fit 1/16 x 1/16 x 3/16" Thick - Standard Tension Fuel Cap They utilize the best featuresTop 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