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The Supertech piston set for VW 1.8T 20V provides four pistons at 83mm (+2) bore with a 32.7mm crown height and a -4.5cc dish, giving a 9.6:1 compression ratio; rings are excluded. This kit is intended for 1.8T rebuilds where the specified oversize and crown geometry are needed to reach the listed compression and maintain proper piston-to-head fit.
Supertech VW 1.8T 20V 83mm (+2) CH 32.7mm -4.5cc Dish 9.6:1 CR Piston - Set of 4 (Excl Rings)
