Ashcroft Transmissions

Heavy Duty 4.12 R & P

£195.00

What vehicle do you have? *

Would you like a 'Speedo correction kit' ? *

Do you require front or rear? *

Product Information

Heavy duty 4.12 ratio using a tooth count of 33 on the crown wheel and 8 teeth on the pinion,

Note if you fit another ratio ring and pinion, this will throw the speedo out of true, if you have a TD5 or TDCi defender, you can correct it by using our 'Speedo Correction Kit'

Please note that these are for the long nose Rover diff only and will only fit the Discovery, 90 and 110 front diffs. You cannot fit these to a 110 rear.

When ordering please specify whether you require front or rear for each ring and pinion required.

SHIPPING COSTS

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Product Code: HD 4.12 R & P

Torque Settings

10 x Crown Wheel Bolts - 60Nm

4 x Bearing Cap Bolts - Rover 90Nm, P38 180Nm

1 x Pinion Bolt - 100Nm

1 x Rover Pinion Nut - 129Nm

1 x P38 Nut - 135Nm