Chevy LS1 LS2 LS3 LS6 LS7 L76 168 Tooth 11" Std Balance Heavy Duty Flexplate Speedmaster alternator pulleys are manufactured

Speedmaster alternator pulleys are manufactured from quality materials to ensure strength and durability

but both factors can be equally important in a race car

The main difference is that there is an open area under the plenum chamber

and header clearance

Chevy LS1 LS2 LS3 LS6 LS7 L76 168 Tooth 11" Std Balance Heavy Duty Flexplate Speedmaster alternator pulleys are manufacturedSpeedmaster flexplates make excellent upgrades to your stock design. They feature extra thick steel that's double welded to the ring gear for added strength and anodized for corrosion resistance. Speedmaster flexplates will withstand the extreme power and rpm of today's engines.