making it the ideal solution for high-powered street and race applications

and reliability required when dealing with high-RPM and high-torque engines

or at your next car meet

Increases power

up to 3 EFI fuel pumps can be used to feed high pressure fuel to the engine

B58 Billet Main Caps by 5150 AutoSport 11127613127 making it the ideal solution5150 AutoSport B58 Billet Main Caps As power levels climb beyond 1,200+ horsepower, we've seen factory main caps begin to walk. Under extreme cylinder pressure and crankshaft loads, even the slightest cap movement can affect main bearing alignment, oil clearance, and ultimately bearing life. Our CNC machined billet steel main caps are heat treated for maximum strength and feature a dowel pinned design to positively locate each cap and virtually