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Speedmaster aluminum valve covers are the perfect fit for your engine
for increased strength and improved register
Protect your engine with Speedmaster blow-off check valve
The Speedmaster pinion supports are made from the best quality nodular iron
High-horsepower and hard launches can cause tremendous stresses on the internal transmission components
2010 - 2015 Gen 5 Camaro Heavy Duty Load Bolt IRS Differential Rear Cover Speedmaster aluminum valve covers areSpeedmaster's heavy duty IRS differential covers incorporate the factory chassis mount, being made out of high tensile aluminum alloy it eliminates case distortion and controls unwanted gear deflection. Speedmaster's case also provides additional clearance for lower gear ratios, It allows aftermarket main caps and main cap stud kits to be installed. It also features additional fluid capacity which results in reduced operating temperatures. Also
