2003-04 Mustang BilletFlow Cobra Snub Idler Bracket & Pulley by BilletFlow

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BilletFlow Mustang Cobra Snub Idler Bracket & Pulley (03-04)

Reduce belt slip & improve power with this BilletFlow Snub Idler for your 2003-2004 Mustang Cobra!

Item #BFL-8678A

Everyday Low Price: $154.99

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  • Reduces Belt Slip
  • Improves Power & Consistency
  • Bolt on Installation


  • Black Anodized
  • 100mm Pulley
  • Works with 2.93" & 2.76" Supercharger Pulleys

What's in the Box

  • (1) Snub Idler Bracket
  • (1) 100mm Idler Pulley
  • Hardware

Made in the USA

Product Description

BilletFlow Snub Idler & Bracket Kit
Swapping out to a smaller supercharger pulley is the easiest way to add power to your 2003-2004 Cobra short of a tune. However, the smaller you go, the less contact area the belt has on the pulley. This leads to the belt slipping.

Luckily BilletFlow devised the solution by way of this Snub Idler Pulley & Bracket. If the belt is slipping, then you are not achieving full boost. This snub idler will not add power itself, but the elimination of belt slip allows full boost which is where the power increase comes from. It utilizes a 100mm Idler Pulley & is a simple bolt on installation. It is black anodized for long lasting good looks.

-Fits 2003-2004 Mustang Cobra

Customer Photos (2)

Product Reviews (2)

out of 5 stars
5 stars
2 reviews
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2 of 2 REVIEWS
2 of 2 REVIEWS

5 Stars   Great fit
By on 9/5/2014
Image uploaded by Cal.Copeland So far love it!

Yes, I would recommend this item to a friend!

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5 Stars   Very easy install
By on 9/26/2014
Image uploaded by Bruce G. Very easy to install. Nice fit and no more belt slip.

Yes, I would recommend this item to a friend!

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Vehicle Applications

Ford Mustang - 2003 (03) - 2004 (04)

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