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Ships within 48 hours · Estimated delivery Aug 11 - Aug 16
Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow
contributing to the overall efficiency and performance of your engine
Designed to bolt on to our aluminum center sections and used with our various housing end applications
this pulley ensures optimal performance and efficiency for supercharged setups
Chevy GM LS1 / LS6 1.9 Ratio Adjustable Stainless Steel Roller Rocker Arm Set Speedmaster CNC ported cylinder headsSpeedmaster 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.
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