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ARP 425 Head Studs

ARP 425 Head Studs


 
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List Price: $495.00
Our Price: $449.00

Product Code: ARP 425


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Description
 

Use for 45+ PSI boost

Rated at 220,000 psi tensile strength
Ample clamping force prevents cylinder heads from lifting

8740 alloy is rated better than aircraft quality

Threads rolled after heat treatment for optimum fatigue strength
Centerless ground to assure perfect concentricity
Broached stud ends install & make cylinder head removal easier
Chrome moly steel 12-pt nuts & parallel-ground washers included
Finish: Black oxide

Instructions are here http://www.arpdiesel.com/Instructions/247-4202.pdf