Our 4.0 lower pulley conversion increases supercharger driven speed by 16%giving a 45-50bhp/ftlb midrange increase.
The lower pulley conversion includes:
*Removal of crankshaft damper unit.
*Machining of the car's crankshaft damper assembly.
*Fitment of a billet alloy upgraded drive pulley to the crank damper.
*Reassembly with new OEM Jaguar crank pulley bolt, O ring seal and special length Goodyear Gatorback drive belt.
Drive-in, Drive out cost of this conversion is £499 including VAT. we do need your car for a full day for this conversion.