This kit offers increased clamping force and enhanced head gasket sealing, helping to prevent head gasket failure
2X Entries For Our 25th Anniversary Sweepstakes!
This kit offers increased clamping force and enhanced head gasket sealing, helping to prevent head gasket failure
2X Entries For Our 25th Anniversary Sweepstakes!
Ditch the Stock Head Bolts for a Set of Head Studs from ARP!
2X Entries For Our 25th Anniversary Sweepstakes!
Upgrade to 5150's Custom Age 625+ Head Stud Kit Built by ARP!
Upgrade to ARP high tensile strength Custom Age 625+ Head Studs
2X Entries For Our 25th Anniversary Sweepstakes!
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-21-2026
Make sure you are getting the proper hardware for the job
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
03-04-2026
Stud conversion set up with 12 point fastening nuts
2X Entries For Our 25th Anniversary Sweepstakes!
This product was last offered at the strikethrough price on
07-10-2026
Offers great strength and fatigue resistanve vs stock bolts, increasing clamping strength and preventing cylinder head lift and damage.
2X Entries For Our 25th Anniversary Sweepstakes!
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
07-21-2026
2X Entries For Our 25th Anniversary Sweepstakes!
Make sure you are getting the proper hardware for the job
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
This product was last offered at the strikethrough price on
06-03-2026
Swap out your BMW's Head Bolts for ARP's CA625+ Head Stud Kit!
Secure your engine with race-proven durability using the ARP Head Stud Kit the top choice for serious BMW performance enthusiasts and professional builders alike.
N55 Engines it is a MUST to drill and tap!
Bolt required to properly torque the head to the block
Wagner Tuning offers these to support big power gains and keep your M54 engine running well.
Stud conversion set up with 12 point fastening nuts
2X Entries For Our 25th Anniversary Sweepstakes!
Includes all head bolts in one cylinder head
2X Entries For Our 25th Anniversary Sweepstakes!
We Price Match - Give Us A Call or Chat!
This product was last offered at the strikethrough price on
05-22-2026
Offers great strength and fatigue resistanve vs stock bolts, increasing clamping strength and preventing cylinder head lift and damage.
2X Entries For Our 25th Anniversary Sweepstakes!