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highly specialized silicone magnetic steel cores
measuring 92mm
Speedmaster aluminum LS valve covers will give your LS series engines a totally new look
They weigh only 2
It is set up to accept a spread bore carb but comes with an adapter plate that permits the use of square bore carbs
Chevy LS1 1.7 Ratio Aluminum Pedestal Mount Roller Rocker Arm Set Black highly specialized silicone magnetic steelSpeedmaster Aluminum Roller Rockers are extruded from 6061 T6 Aluminum. The larger needle bearing fulcrum can withstand valve spring loads up to 600lbs, while the extruded body has a tensile strength over 60,000 PSI. Ideally suited for use with Solid Mechanical flat tappet and Hydraulic Roller Cams. They feature very precise valve operation, horse power increase of 10 15, increases valve train life dramatically, acceleration is more responsive, oil
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