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Designed for C4 transmissions in competitive environments where RPM levels approach or exceed 8
Made of durable steel
Their strong die-cast aluminum design ensures an excellent gasket seal and dissipates heat better than many other covers
resistance and turns ratios to deliver10-15% more energy than the OEM coils
Speedmaster flexplates are the best on the market
Valve Cover Nuts 5 3/8" Tall T-Bar Wing Nut 1/4-20 x 1" Stud Red Aluminum Designed for C4 transmissions inSpeedmaster wing nuts are 5 in. high to work with tall or stock valve covers. Made from high quality aluminum, they will add style and security to your valve covers.
US$ 175.00
US$ 30.09
US$ 10.00
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US$ 49.99
US$ 77.99
US$ 31.49
