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2.0L 16v - Z20LET

2.0L 16v - Z20LET 

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2.0L 16v - Z20LET
The Z20LET is Vauxhall/Opel's 2.0 16v turbo four, a block worked between 87.5mm and 88mm bore depending on the head gasket chosen, and one whose boost pressure climbs quickly once it is tuned. This page covers the rotating assembly and the seal: ZRP forged connecting rods, also offered in a WOSSNER version and in a 148mm centre-to-centre length, ACL tri-metal big end bearings in standard size, forged pistons, ATHENA reinforced head gaskets at 87.5mm bore and 1.90mm thick, COMETIC at 88mm, and SUPERTECH exhaust valves in 29.5mm and 32.5mm head diameter. VIBRA-TECHNICS Sport and Competition mounts complete it.