Brian Crower Billet Keepers / Valve Locks for B16A / B18C powergate Fuel pressure increases on a

Fuel pressure increases on a 1:1 ratio with boost

4L Crank Material 4340 Billet Steel

(Excluding silencer and tip

Casting these new runners allows it to maintain the linear transition from the aftermarket plenum to the intake ports on the head

Ferrea quality simply cannot be beat

Brian Crower Billet Keepers / Valve Locks for B16A / B18C powergate Fuel pressure increases on aBrian Crower Billet Keepers Locks for 5. 5mm Honda Acura applications BC2940 7 billet performance valve stem keepers or locks are designed to fit BC retainers (BC2010 and BC2011). Precision machined from premium billet bar stock chromoly steel and heat treated for maximum strength to insure against shoulder shearing (common with stock and lesser quality brands).