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Choose Your Car 
GFB Lightweight Alternator Pulley (13+ Subaru BRZ / 13+ Scion FR-S) 2221 - Modern Automotive Performance

MAP Current Sales

Go Fast Bits

GFB Lightweight Alternator Pulley

PART# GFB 2221
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( We'll refund the difference! )

Give us a call to get the best prices and parts for your build. Or, just call us with a cool racing story...either way we're here.

Email - sales@maperformance.com

Phone 1-888-627-3736


$53.18   $59.09
Instant Savings of 10% ($5.91 USD)

Ships by , when ordered within hrs and mins

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MAP Loyalty: Earn $1.06 Toward Next Purchase!

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. If they did, we would not sell them!*Features** Improved throttle response and acceleration through significant reduction of rotating mass* Engine feels more free-revving* Under-driven kits offer more power through reduction of parasitic losses from the accessories with NO adverse affects on their operation
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. If they did, we would not sell them!*Features** Improved throttle response and acceleration through significant reduction of rotating mass* Engine feels more free-revving* Under-driven kits offer more power through reduction of parasitic losses from the accessories with NO adverse affects on their operation

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MAP Limited Lifetime Warranty

1.) All MAPerformance in-house fabricated parts include a Limited Lifetime Warranty for the Original Purchaser. This warranty only applies to the original purchaser and is non-transferrable. If the product fails it would need to be determined by MAPerformance that it is due to manufacturing defects in materials or workmanship.

2.) This does not cover normal wear and tear. Improper use, modification, or abuse voids this warranty. MAPerformance will not be held responsible for additional costs due to the failure of a product (cost of sale, towing, labor, etc.). Warranty claims must be submitted to MAPerformance for review.

3.) You must create a support ticket to acquire your return authorization number prior to returning the product.

4.) Warranty claims will not be honored if the product was not purchased through an approved dealer.

For warranty evaluation please create a support ticket via this form Click Here For Customer Service.