For VW/Audi 1.8L 20V 83.5mm
For VW/Audi 1.8L 20V 83.5mm
Matched set with connections
Engages water-methanol system at 35PSI Adjustable from 25-50psi
Includes 2.5 gallon tank, red high temp nylon tubing, and quick-connect fittings
Upgrade your ride with the Valvetronic Designs universal valve muffler kit, a premium T304 stainless steel solution that delivers an aggressive, valved exhaust note at the click of a button
144x20 Forged Rod with ARP 2000 hardware.
Supertech 2mm oversized piston set including 20mm wrist pins.
Triple Groove retainer manufactured with high-quality military-certified Titanium alloy, and CNC machined for a tight fit.
Supertech 1.5mm oversized piston set including 20mm wrist pins.
Quick connect union T-fitting for 1/4" Nylon
High Flow Valve Set
2X Entries Into Our F80 M3 Sweepstakes
Designed for Bosch 044 Fuel Pump
2X Entries Into Our F80 M3 Sweepstakes
Entry-level performance kit composed of a careful selection of our best sellers, offering valuable performance gains at a 'bang for the buck' price point
10X Entries Into Our F80 M3 Sweepstakes
Fits up to VIN 8E-3-500000, split is in the 2003 model year
This product was last offered at the strikethrough price on
07-17-2026
This high-performance engine kit combines an upgraded dual-spring valvetrain, Inconel and nitrided valves, a top-end gasket set, and premium tri-metal race main bearings.
10X Entries Into Our F80 M3 Sweepstakes
A significant upgrade to performance and feel over the stock mount.
Early B6 A4 w/ 5-Speed Manual Transmissions only.
Includes rings, wire locks, and wrist pins - 81.5mm bore, 8.5:1 CR, 86.4mm stroke (stock)
*For use with 20mm wrist pin connecting rods*