DRIVELINE

Put power to work for you.

Differentials

Humpco Designed, GMS Manufactured Billet Units

  • High Speed 4.63 and faster, Low Speed 4.88 and slower

  • High Speed 4.11 and faster, Low Speed 4.33 and slower

  • 4010, 4020, 4430

  • 706, 1066

  • High Speed 4.56 and faster, low speed 4.88 and slower

Planetaries

  • 9310 gears, needle bearings, repair work and complete systems

  • 9310 gears, needle bearings, repair work and complete systems

  • Modified OEM needle bearing set-up

Pinion Housings

  • SQHD and Meritor Retrofit

  • Standard and Pressure Fed

Reverser

  • Super Stock, Pro Stock, TWD, etc…

  • Modified and Unlimited

  • Can be installed in factory ag transmission case

MORE DRIVELINE PARTS

  • 3 Speed Transmission and Pinion Shafts

  • Axle Kits and Pinion Shafts

  • Ag, SS/PS , TWD, Modified

  • Male Driveline Couplers and Female Driveline Couplers

  • TWD and Modified

  • SS/PS, TWD and Modified

 
 
 
 

Custom Services and Consultations

All individual programs and consultations are billed at an hourly rate

  • GMS can modify your ag-based rear end for optimum performance with stronger internals and lightweight components.

  • Full component drivelines available: shafts, couplers and shielding

  • With your data, GMS can help make a gear ratio selection to match engine dyno horsepower and on-track performance.

  • By utilizing videos, computer data, and on-track performance GMS can fine-tune your chassis setup: weight, balance, tire pressure, driving style and clutch setup.

 
 

  • Red Tac 90

  • Reduce Wear

  • Superior Film Strength

  • Lowers Operating Temperature

  • Many Product Options to Match Your Every Need