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so both screws and rockers arms are fully lubricated
They can also be easily machined to accommodate larger 90
These merged PHAT boys provide maximum flow and power with a distinctive turbo hush
Tight fitting to engine for optimum frame clearance
310 Duration
Type 4 Chromoly Head Stud Kit 1/2 Inch Longer 1.1 so both screws and rockersBrand New Type 4 10mm Chromoly Head Stud Kit, 1 2 Inch Longer Chromoly case studs provide superior and even clamping force required by today's hi performance VW engines. Chromoly studs are made from high grade Chromoly and precision machined to resist stretch and fatigue. The case side is M12x1. 5, and the head side is 3 8 with ARP 12 point nuts. Part#: 101038LB
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