Reconditioned Z20LEH Engine – 500bhp Capable
This Z20LEH engine is built to safely handle up to 500bhp, making it ideal for fast road or track cars. Available for immediate dispatch. (Full specification below)
💷 Price includes a £500 refundable surcharge – refunded once your old engine is received and inspected (block and crank must be serviceable).
🚚 Free pallet delivery service available – direct to your chosen mechanic.
🔧 Hand-built by Dave Engine – a performance engine builder with nearly 20 years of experience. Every unit is carefully measured, machined, and assembled to exacting tolerances, ensuring maximum reliability and performance.
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Engine Specification
Block freshly honed and measured
Standard 86mm pistons cleaned back
New oem piston rings
TCC forged H-beam conrods
ARP 2000 bolts
Crankshaft polished
New Mahle main bearings
New ACL race big end bearings
All tolerances measured and plastigauged
Cylinder head pressure tested and skimmed
Valves polished
Valve seats cut and valves lapped in
Uprated stem seals
Piper uprated valve springs
Hydraulic tappets collapsed and cleaned
New head gasket and head bolts
New cambelt kit
New water pump
Oil pump stripped, checked, and cleaned
New camshaft seals
New sump gaskets
New rocker cover gasket
New inlet manifold gasket
New exhaust manifold gasket
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Vehicle Compatibility
✅ Suitable for Astra H VXR (Z20LEH) and other compatible Vauxhall/Opel models.
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Warranty
6 months labour warranty on workmanship.
Parts are covered only by the manufacturer’s warranty (where applicable).
⚠️ Warranty does not cover damage caused by incorrect installation, mapping, overboost, oil starvation, overheating, or motorsport/track use.
