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GFB Go Fast Bits Brand

GFB TMS RESPONS TURBO BLOW OFF VALVE FOR 06-10 MAZDA SPEED3 & 06-10 MAZDASPEED6 T9002

GFB Blow Off Valve - Respons: As the name suggests, the GFB Respons is designed specifically wit...

GFB Blow Off Valve - Respons: As the name suggests, the GFB Respons is designed specifically with the aim of improving throttle response and reducing turbo lag.What’s TMS? GFB’s Turbo Management System is the term we apply to our diverter valves that have features designed specifically for the purpose of turbo lag reduction.Tests show that TMS features can return the engine to peak boost up to 30% faster than a factory diverter valve when shifting gears.On top of the TMS benefits, the Respon...

$307.80 $342.00

GFB TWIN V-BELT ALTERNATOR PULLEY FOR 1979-1995 MAZDA RX-7

GFB Pulley Kit: GFB lightweight pulley kits are made from aircraft-grade 6061-T6 aluminium and o...

GFB Pulley Kit: GFB lightweight pulley kits are made from aircraft-grade 6061-T6 aluminium and offer faster acceleration through significant weight reduction on the crankshaft. The effect is similar to a lighter flywheel, and the car feels more lively and willing to rev.Most of our kits are underdriven, which means the accessories are driven slightly slower to reduce parasitic losses. It should be noted that our underdrive pulley kits do NOT adversely affect the operation of the accessories....

$63.18