Brian Crower Billet Keepers / Valve Locks for Toyota 2JZ / 1JZ price_$201 - $300 fuel and ignition corrections for

fuel and ignition corrections for all stages

What this means to you is our spring has the highest level of spring load retention while still maintaining good fatigue threw out the life of the spring

but at 2msec

The Elite 2500 ECU is now paired with the new Nexus Software Programmer (NSP) that brings levels of functionality and user-friendliness never seen before in an engine control package

Brian Crower Billet Keepers / Valve Locks for Toyota 2JZ / 1JZ price_$201 - $300 fuel and ignition corrections forBrian Crower Billet Keepers Valve Locks for Toyota 2JZ 1JZ BC2950 6mm stem diameter, 6 billet performance valve stem keepers or locks are designed to fit BC and OEM retainers. 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).