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As with all Speedmaster cylinder heads
They're so tough
These Speedmaster air cleaners are CNC-machined from billet aluminum and anodized
Upgrade your GM Powerglide or TH400 for extreme horsepower applications with this big shaft stator tube kit
They're 40 percent lighter
Chevy GM Camaro ZL1 2014 - 17 32 Spline TorqueWorm LSD Limited Slip Differential As with all Speedmaster cylinderThe TorqueWorm is a torque biasing 6 pinion gear type limited slip unit. This is a preloaded unit allowing for a faster reacting unit. Unlike our competitors that only use 3 or 4 pinion gears. The use of 6 pinion gears means the stress on gears is spread over a greater surface area, reducing the load on all internal components.
