Speedo Ratio Box – Direct Mount – Fritz SRB – V1

$239.00

DIRECT MOUNT – Fritz SRB V1 – Speedometer Ratio Box
The Fritz SRB is a fully mechanical, inline ratio gearbox that allows you to adjust your speedometer reading 2.5% incremental adjustments in minutes — no electronics, no permanent modifications, no sending your gauge out for service. Simply choose your desired ratio by selecting pulley sizes/ ratio. Ships ready to install. Assembled to each order, so allow a couple days for me to do that. Extra pulleys and belts available to change ratio in your own garage as you see fit – to dial in your speedometer exactly where your happy with the reading error % in the speed range you deem most important to you for that car. No need to send it back to me to adjust, you can do it!

30 day warranty for full refund of product cost.

Description

Direct Mount to Speedometer Gauge with M18x1.5 threaded coupler, just like the speedometer cable.

Remove factory Speedometer cable from the gauge.

Attach Cable to the box.

Attach box to Speedo.

Drive and test. adjust idler tension as needed.

Fitment
Designed for mechanically driven, cable-operated VDO speedometers with M18x1.5 threaded connections, including:
• VW Type 1 Beetle & Ghia
• VW Type 2 Bus
• VW Type 3
• VW Thing
• Many Aircooled Porsche models
• Any 6V and 12V systems (mechanical drive only – no electronics

Additional information

Weight	2 lbs
Dimensions	1 × 1 × 1 in
Reduction %	2.5%, 5%, 7.5%, 10%, 12.5%