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Ships within 48 hours · Estimated delivery Jul 5 - Jul 10
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For Your Every Summer RSVP, with Code: SUMMER15
Description
BMW E46 M3 - Turner Motorsport S54 Power Pulley KitGains of up to 10hp on a stock M3! The idea of power pulleys is simple. The less effort the engine puts into running accessories such as the water pump, power steering, pump alternator etc., the more of that power can be used elsewhere your wheels! The way this is done by reducing the rotation of the pulleys by as much as 10 20%! The end result is more horsepower at your disposal. Turner has done extensive testing (on and off the track), to ensure
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- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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Best in 7 days
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Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 1752 reviews
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Product Reviews
★★★★★ 5
Be safe and always calculate the gauge wire are you need, don’t cut corners.
Size: 4 Gauge 10FT
Good quality solid copper 4 Gauge wires in red and black. Avoid aluminum wiring that has copper plating so looks like solid copper but can be dangerous if used in heavy load applications. Copper is expensive but required if amperage is high.
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Reviewed in the United States on February 8, 2026
★★★★★ 5
Good
Size: 1/0 Gauge 10FT
Good item
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Reviewed in the United States on April 14, 2026
★★★★★ 5
Works no issues
Size: 8 Gauge 10FT
Works no issues
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Reviewed in the United States on May 7, 2026
★★★★★ 4
Durable insulation and pure copper not that cca bs
Size: 1/0 Gauge 5FT
Good quality. Solid copper, not that cca bs. Stiff and durable insulation. Used for big 3 car audio grounds on high output alternator. Great results. Will mention that it’s not as thick as some other brands but not by much. Terminals still crimped tightly with 1/0 gauge
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Reviewed in the United States on January 11, 2026
★★★★★ 5
Quality wire and true specs
Size: 8 Gauge 10FT
Good quality car audio power wire.
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Reviewed in the United States on March 8, 2026
