Advanced technology makes Speed-Pro pistons an excellent choice for street performance and racing applications. Federal-Mogul machines all Speed-Pro pistons to tight tolerances with fully updated skirt profiles. Meeting the need for high performance is our strength. We deliver increased durability, reduced weight, higher temperature limits and unmatched oil control. Speed-Pro piston performance is enhanced with Federal-Mogul's DUROSHIELD® antifriction skirt coating, which reduces friction and scuffing and delivers improved performance and longer life.Pit Stop USA offers Speed-Pro Power Forged Flat Top Piston Set - SB Chevy 350 - 4.060" Bore - (Set of 8) L2491NF60-8 at low everyday prices. Be sure to check out all of our products from Speed Pro including Speed Pro Speed Pro Forged Pistons - Small Block Chevy.