Massive Speed System

MASS'10459.0

2 COLOR Choices- Made in USA- GLOSS BLACK- ADJUSTABLE Supercharger Belt Tensioner 2007 2008 2009 2010 2011 2012 Ford Mustang GT500 Supercharged 4 valve Modular Engine 5.4L

Camber Caster Parts

T slot idler mount enables effortless and infinite adjustment.
Bolts directly to blower snout and applies additional pressure and removes slack from belt meaning repeatable, safe, BIG boost for you. Eliminates spindly M6 bolts and long bracketry used on other designs.
Far superior belt wrap than any other design.
Dual Bearing Pulley HARD COAT BLACK anodized for long service life
All stainless hardware looks great and won't corrode.

When running smaller overdrive pulleys, the stock belt's too large and "orbits" around the blower pulley resulting in lower boost levels and eventual belt failure. This is the first idler system that's truly adjustable. The pulley mount features a T slot so it can be moved effortlessly and infinitely. Mounting to the blower face also eliminates the spindly M6 bolts and long bracketry used on other designs. This system bolts directly to the snout and applies additional pressure and removes slack from belt meaning repeatable, safe, BIG boost for you - far superior belt wrap than any other design. Billet aluminum construction for good looks and light weight.

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