1HZ Cylinder Head Bundle, (1990-1999) Spring Style Tensioner

1HZ Cylinder Head Bundle — 1990–1999 (Spring Style Tensioner)

A complete head replacement solution for the 1HZ 4.2L I6 Naturally Aspirated Diesel engine. Choose the bundle tier that matches your rebuild scope — from a straight head swap to a full engine refresh. All components are sourced to genuine Toyota specification or quality equivalent.

Note: We offer all three aftermarket head gasket replacement thicknesses (Mark 1, Mark 3, Mark 5). Bundles include the Mark 5 gasket by default — contact us to substitute Mark 1 or Mark 3 if your head has been previously machined.

Bundle Options

• Cylinder Head Only — Direct head replacement, no additional parts.
• Head + Head Gasket + Head Bolts — Everything needed for a clean head swap.
• Head + Gasket + Bolts + Timing Belt Kit — Adds the full timing belt kit while the engine is apart.
• Head + Gasket + Bolts + Timing Belt Kit + Water Pump Kit — The smart refresh — replace everything accessible with the head off.
• Full Monty — Complete Engine Rebuild Kit — Everything above plus glow plugs (12V), fuel injectors, all manifold gaskets and rings, radiator hoses, radiator cap, oil filter, fuel filter, air filter, and injector nozzle seats. The complete solution for a full engine overhaul.

Fitment

• Toyota Land Cruiser 70 Series — HZJ70, HZJ71, HZJ73, HZJ74, HZJ75, HZJ76, HZJ77, HZJ78, HZJ79
• Toyota Land Cruiser 80 Series — HZJ80, HZJ81
• Toyota Land Cruiser Prado — HZJ70, HZJ71, HZJ73, HZJ74, HZJ75, HZJ76, HZJ77, HZJ79

Engine

• 1HZ — 4.2L I6 Naturally Aspirated Diesel (Spring Style Tensioner, 1990–1999)