http://zrp-rods.co.uk/connecting-rods/vw-18t-20v-connecting-rods-light-weight-with-rifle-drilled.html VW 1.8T 20v Connecting Rod (Light weight Version - Rifle drilled) Please note we can supply these with either Custom Age 625+ or L19 series bolts, which are a higher spec than the generic 2000 series ARP bolts (Pm for details) RRP: 400 inc Vat JtechPP: 389 inc Vat Between Centers - 144.00mm Big end 50.60mm Small end - 20.00mm B.E Width - 24.89mm Weight in Grams - 460 (w/o Bolts) Bolt size - 3/8" Qty in Kit - 4pcs 1. Additional machining processes Rifle Drilled / Forced Pin Oiling Ribbed Pin end minimize P.E distortion under heavy inertial loads while at the same time saving extra weight Aluminum - Silicon/ Bronze bushing with radial groove Dowel sleeves for perfect fit and accurate re-assembling Lipped Cap Relief for improved big-end integrity at extreme application Grooves in Thrust Face for weight reduction 2. Technical Features of ZRP Connecting Rods Shot Peening for improved fatigue life Magnaflux Inspection guarantees the consistency of the forged material meets our high quality standard Multi Stage Heat Treat for maximum strength, dimensional stability, and fatigue life. CNC machining for superior tolerances as tight as 0.0003 Optimal balancing for weight matched sets (+/- 1g) Center to center is held to 001 tolerance Finite Element Analysis FEA Computer generated stress analysis of con rods ARP2000 Rod Bolts rated to 220,000psi H-Beam Design High tensile steel 4340 Combination tested to over 700HP+ For extreme application we can offer you ARP rod bolts Custom Age 625+ or L19 series, rated in excess of 300HP per cylinder. Supplied boxed into sets with ARP moly and full fitting instructions