ARP main studs are manufactured from 8740 chrome moly steel and heat-treated to 200,000 psi tensile strength. Precision J-form threads are rolled after heat-treat to create a fastener with threads stated as 2000% stronger than others. Designed to help reduce crankshaft flex and main cap fretting.

Key Features

  • Premium grade 8740 chrome moly steel
  • 200,000 psi tensile strength
  • J-form rolled threads
  • Includes parallel washers and nuts
  • Kits include hardened parallel-ground washers and aerospace quality nuts

Vehicle Compatibility

Brand Model Generation / Chassis Engine
Audi A4 - 1.8T
Volkswagen Golf - 1.8T
ARP

ARP

Founded in 1968 in Ventura, California, USA, ARP (Automotive Racing Products) manufactures premium performance fasteners including head studs, main studs, rod bolts, and cam bolts.

The global industry standard for high-stress engine fastening, trusted by professional engine builders and race teams worldwide.

Official page: www.arp-bolts.com

ARP Main Stud Kit for VW Audi 1.8T 20v

Brand: ARP Product id: 81804 MPN: ZRP-ARP-117-4219
Availability: Ready to ship
184.43€
182.58€ Excl. VAT: 150.90€
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Tags: Default Category|Engine and turbo|Bolts and studs ARP,

Brand Model Generation Engine
Audi A4 - 1.8T
Volkswagen Golf - 1.8T

ARP

Founded in 1968 in Ventura, California, USA, ARP (Automotive Racing Products) manufactures premium performance fasteners including head studs, main studs, rod bolts, and cam bolts.

The global industry standard for high-stress engine fastening, trusted by professional engine builders and race teams worldwide.

Official page: www.arp-bolts.com