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Silicon aluminum is the choice for many of today's engine manufacturers because of its high fatigue strength and superior temperature threshold
The quality of these throttle bodies are better than others available today
Speedmaster Aluminum Roller Rockers are extruded from 6061 T6 Aluminum
The Speedmaster aluminum pinion supports are completely CNC machined from our designed forgings or billet 6061-T6
This unit is designed to slide over the housing tube for a better weld
Chevy LS 1.7 Ratio Adjustable Stainless Steel Roller Rocker Arm Set Silicon aluminum is the choiceSpeedmaster Stainless steel rollers are manufactured from heat treated stainless steel and alloy steel tip rollers. Speedmaster roller rockers are available in various ratios, so you are good to go. They feature greater strength and durability, capable of withstanding valve spring load up to 600lbs.
US$ 131.00
US$ 24.99
US$ 1444.50
