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Thump Racing 70mm Billet Aluminum Idler Pulley
Surface hardened with anodized clear coating.
Heavy Duty CNC Machined Aluminum Pulley.
Can be used in either the tensioner or idler position.
Works on both 6 and 8 rib setups.
Available in silver only.
Thump Racing 76mm Billet Aluminum Idler Pulley
Surface hardened with anodized clear coating.
Heavy Duty CNC Machined Aluminum Pulley.
This idler is a stock size replacement for the steel GT500 Thump Tensioner pulley. Our pulleys are hard black anodized to ensure a durable and long lasting finish. They also come preinstalled with premium bearings.
Weight comparisons:
Thump: 478g (1.05lb)
Billet Pro Shop: 220g (0.5 lb)
*Please install with retaining clip facing the front of the car.
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