• 20mm wrist pin for use with factory or aftermarket 20mm pistons
• Forged from vacuum drawn 2 piece 4340 chrome moly steel
• Upgraded H beam design greatly increases strength and durability
• Combination tested to 700+HP on 6 cylinder engines
• Includes IE Spec ARP 2000 rod bolts with "IE" stamp to ensure genuine product
• Individual computer optimized design to match unique VW/Audi engine applications
• Honed to exacting tolerances within 250 millionths of an inch
• Optional forced pin oiling (rifle drilling) for long wrist pin life
• Each connecting rod set is balanced to weights within +/- 1 gram
• Dimensionally and magnaflux inspected to ensure extreme reliability
• Multi-stage heat treated for dimensional stability and fatigue life