Motordyne 5/16" Iso Thermal plenum spacer (MD - 516"I) _MM022HBMC/SBL 2 Description_ASM Front S8K FMSI

2 Description_ASM Front S8K FMSI D1050 2009 thru 2010 PONTIAC G8 6

The factory adjuster is prone to slippage under load and the soft rubber bushings are designed around reducing noise and vibration rather than providing maximum performance

especially models with prolific racing pedigree

19 WHP Increase (horsepower to the wheels)*

Motordyne 5/16" Iso Thermal plenum spacer (MD - 516"I) _MM022HBMC/SBL 2 Description_ASM Front S8K FMSIG35, FX35 & M35 1 2 Copper Iso Thermal plenum spacer (with all Iso Thermal components, Aramid Gasket and the Polarized Copper TB heater) This premium stealth modification adds 12HP 14HP and reduces the effect of power robbing heat soak. This plenum spacer can be used for maximum performance enhancement. It also adds a substantially deeper growl under the hood. Use the copper if it ever snows in your area. Features: Gains: 11HP 13HP