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Ships within 48 hours · Estimated delivery Sep 15 - Sep 20
Part Number: AU3543
Longer duration profile with increased lobe lift for greater rpm potential and more horsepower
Manufacturer's Part Number: SIR6250BB-1
Stealth Ride Part Number: G9122500155
Stealth Ride Part Number: ARP-234-4346
ARP Buick 86-87 Grand National and T-Type 12pt head stud kit (123-4203) Crankshafts Part Number: AU3543ARP Buick 86 87 Grand National and T Type 12pt head stud kit (123 4203) ARP Pro Series Cylinder Head Studs 123 4203 ARP Pro Series cylinder head studs are cold forged to ensure molecular integrity. They're heat treated prior to thread rolling and machining. ARP Pro Series kits are also available with 12 point nuts, and all studs come complete with hardened parallel washers for an even load distribution and accurate torque readings. With hundreds of
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