After Changing Gearbox or Diff the Speedo will Usually Read Incorrectly. We have a Screw on Ratio Box that Fixes this

To Do this We Need You to Drive the Car to 100 km/h using a GPS as Reference and Write Down what the Dash Speedo is Reading and Type that Reading in the Box Below

Some Speedo Cables have a Push In Fitting and a Retaining Clamp on the Gearbox End, if this is the Case You Will Need to send us your Speedo Cable for Modifcations, this costs an extra $88

Available for the Below Gearboxes
Gearbox Speedo Cable
Ford Borg Warner 35 Auto Change Over Required
Ford T5 6 Cyl Change Over Required
Ford T5 V8 Change Over Required
Ford Toploader Change Over Required
GM Powerglide 6 Cyl Change Over Required
GM T350 Original
GM T400 Original
GM T700 V6 Original
GM T700 V8 Original
Muncie Original
Nissan Jatco RB30 Auto Original
Nissan MX7 RB30 5 Speed Original
Saginaw Original
Toyota Celica Steel Case Original
Toyota Supra Alloy Case Original

After Changing Gearbox or Diff the Speedo will Usually Read Incorrectly. We have a Screw on Ratio Box that Fixes this

To Do this We Need You to Drive the Car to 100 km/h using a GPS as Reference and Write Down what the Dash Speedo is Reading and Type that Reading in the Box Below

Some Speedo Cables have a Push In Fitting and a Retaining Clamp on the Gearbox End, if this is the Case You Will Need to send us your Speedo Cable for Modifcations, this costs an extra $88

Available for the Below Gearboxes
Gearbox Speedo Cable
Ford Borg Warner 35 Auto Change Over Required
Ford T5 6 Cyl Change Over Required
Ford T5 V8 Change Over Required
Ford Toploader Change Over Required
GM Powerglide 6 Cyl Change Over Required
GM T350 Original
GM T400 Original
GM T700 V6 Original
GM T700 V8 Original
Muncie Original
Nissan Jatco RB30 Auto Original
Nissan MX7 RB30 5 Speed Original
Saginaw Original
Toyota Celica Steel Case Original
Toyota Supra Alloy Case Original
SKU sccor
Brand Castlemaine Rod Shop
Shipping Weight 0.2000kg
Shipping Width 0.180m
Shipping Height 0.020m
Shipping Length 0.220m
Shipping Cubic 0.000792000m3

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