Alper Motorsports 1/2 head stud kit for equal length studs .500 inch in diameter
1/2'' .500 studs this is for blocks that need to be tapped for the 1/2 studs factory is 11mm this is .500 kit
Alper Motorsports 2002 + LS Cylinder Head Studs Gen V
made from aircraft quality 8740 high tensile strength chrome moly steel, withstanding up to 190,000 PSI.
The kit comes complete with 12 point hex nuts and washers.
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