Gear ratios

Tenaci gear ratio for  Volvo. 1031 4.10Easy to install with shims since it has an even machined surface.Great for rallying.New Transmission Volvo 4.10 1031 volvo Fits in 164,240,740 or 940 provided it is a 1031 axle.

Consumer tested with a 650 horsepower Ford Capri at Tierp ArenaAlso with this V8 Volvo monster.http://www.speedhunters.com/2016/10/smoking-out-the-internet-v8-volvo/A local shop in Sweden has swapped over 50 of these gear ratios with great results.http://www.videbilservice.se/sv/

BMW gear ratio 5.43, 188 mm, E30, 325

Tenaci gear ratio for  Volvo. 1031 4.88.Easy to install with shims since it has an even machined surface.Great for rallying.