Installation manual

2-3
90-898305
Table of Contents
Table of Contents..............................................................................................2
Table of Contents..............................................................................................3
Mechanical Changes to the 2.5L & 3.0L Litre Powerhead................................4
OptiMax Cylinder Head.....................................................................................4
Head Gasket .................................................................................................5
Model 175 Optimax .......................................................................................7
O–Ring Cylinder Head ..................................................................................8
Pistons...........................................................................................................9
Piston Profile ...............................................................................................10
Temperature Sensor (Location Change).....................................................10