Forged Piston Sets | VW/Audi 1.8T 20V Engines | JE Pistons

Option 83MM Bore / 9.25:1 CR 81MM Bore / 9.25:1 CR 82MM Bore / 9.25:1 CR

$734.99

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Overview

Variants differ by bore size (81/82/83mm), all at 9.25:1 CR - same fitment, different overbore options, not different vehicles

Details

Includes 4 JE forged pistons, 4 Pro Seal ring sets, 4 straight wall carbon steel wrist pins, 8 wire locks
9.25:1 compression ratio balances out-of-boost power and spool efficiency, allows higher boost with reduced knock risk
Optional 180 Tool Steel wrist pins recommended for engines exceeding 125 HP/cylinder
Stock bore 81mm; +1mm 82mm; +2mm 83mm; overboring requires professional machine shop work
Forged from 2618 T6 aluminum; tolerates 8000+ G forces, 200+ directional changes/second
Critical Process Program with 14 critical machined surfaces; 23-point QC inspection in controlled environment (68F, 40% humidity)
Each piston serialized and tracked
Vehicle fitment: Audi A3/A4/A6/A6 Allroad/S3/TT (1996-2006); VW Golf/GTI/Jetta/Jetta GLI/Passat/Beetle (1998-2011)
Lead time 1-4 weeks (drop-ship item)