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Speedmaster cylinder head fasteners are made from aircraft quality 8740 high tensile strength chromoly steel and cold-forged to ensure molecular integrity
equal-distribution layout produces great midrange torque without compromising top-end power
Dress up your engine with these chrome-plated kits which feature stock
They utilize an open element design
and are available in chrome or cast aluminum
GM 10.5" 14 Bolt 4.10-Down 30 Spline TorqueWorm LSD Limited Slip Differential Speedmaster cylinder head fasteners areThe TorqueWorm is a torque biasing 6 pinion gear type limited slip unit. This is a preloaded unit allowing for a faster reacting unit. 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. The internal components are made from EN36 Material as used in racing. The outer cases made from 8620 Chrome Nickel Moly steel and the case hardened for long life and improved
