JE Pistons Big Block Open Chamber Dome Piston Forged 4.500" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Plus 45.0 cc HX02121 Holley Mechanical Fuel Pump 12-454-20

Holley Mechanical Fuel Pump 12-454-20 170+ GPH

NPT oil pressure sender

Not a stock replacement

This IAC valve has a filter so there is no concern for debris entering the engine through the remotely mounted IAC Valve

JE Pistons Big Block Open Chamber Dome Piston Forged 4.500" Bore 1/16 x 1/16 x 3/16" Ring Grooves - Plus 45.0 cc HX02121 Holley Mechanical Fuel Pump 12-454-20JE Pistons is the leader in high performance forged pistons. JE Pistons has built a reputation that the competition can only follow. JE Pistons has a history of manufacturing the highest quality pistons and components that professional engine builders, race teams, and high performance enthusiasts alike trust and rely JE Pistons. The top engine builders in NASCAR, NHRA, IRL, IHRA, IDRA, PROSTAR and others choose JE Pistons over any other brand. JE