Supertech VW 2.0L 16V 9A 83mm (+0.5) 29.9mm CH Flat Top Piston - Set of 4 (Excl Rings)

Supertech is known for making well-built internal engine components, and this set of four forged pistons for the VW 2.0L 16V 9A engine is a prime example. These pistons are designed to replace your stock ones with an 83mm bore, which is 0.5mm larger than the original size. This oversize is often used when rebuilding an engine to restore its original bore dimensions or to achieve a slightly larger displacement for improved performance.

Crafted from forged aluminum, these pistons are considerably stronger and more durable than cast pistons. This makes them a solid choice for engines that see hard use or are being built for higher performance applications. The flat-top design is a common configuration that works well with many cylinder head designs, and the 29.9mm compression height is a critical measurement that ensures proper valve-to-piston clearance and correct compression ratio when paired with the right connecting rods and crankshaft. This set is sold without piston rings, so be sure to source those separately to complete your engine build.

When rebuilding your VW's 2.0L 16V engine, using a set of forged pistons like these from Supertech can make a notable difference in reliability and performance. Remember that these pistons are 0.5mm oversize, so your engine block will need to be bored to this specific dimension by a machine shop to ensure a proper fit. Please note that this part is not CARB approved and cannot be shipped to California.