SPL Hybrid Adjustment Wrench (SPL WRENCH) TIAL the STM tray is now

the STM tray is now machined in-house from billet aluminum

POWER KLEEN® industrial strength degreaser helps dissolve dirt

Stainless steel large diameter main shaft with high performance ceramic seal

Works with COBB Ecutek Tuning and most other aftermarket tuning systems

SPL Hybrid Adjustment Wrench (SPL WRENCH) TIAL the STM tray is nowDesigned for use with the SPL hybrid adjusters, this small, offset wrench works in tight spaces and will will not damage the finish on the adjuster. Black anodized, CNC machined, billet aluminum, USA made and it doubles as a bottle opener! Note that you will need two wrenches, one to hold the adjuster and one to tighten the jam nut. We recommend using this wrench together with a standard adjustable crescent wrench, the aluminum wrench can be used for