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M2K's Thermostat Spacer for the Toyota 4.0L engine pushes the thermostat further away from the engine. This allows for additional clearances which are necessary to install a secondary alternator or a supercharger kit.

Kit Contents:
· Thermostat Housing Spacer
· Water Pipe Spacer
· Bolt Spacers
· Housing Oring
· Water Pipe Oring
· Extended Bolts

This Thermostat Spacer kit is a replacement for TRD PTR29-35087 (Thermostat Housing Spacer with O Rings Kit) which was designed for the 4.0L TRD Supercharger kit among other applications.