400100 for 1955-1985 Chevrolet and GMC, 153t, Zero Balance, 2 Piece Rear Main
400142 for 1997-2015 Chevrolet, GMC and Pontiac, 168t, Zero Balance (Note: 2005 & Up Require a Centerforce Clutch)
400170 for 1986-1992 Chevrolet and Pontiac, 153t, 23.4 in/oz Counterbalanced, 1 Piece Rear Main

Features and Benefits

- Nodular Iron Flywheel-

- 6 Bolt Crank -

- Precision Balanced -

- Direct O.E. Replacement -

- 400100 - Weight: 16 lbs -

- 400142 - Weight: 25 lbs -

- 400170 - Weight: 17 lbs -

New Centerforce® Nodular Iron Flywheels, part numbers 400100, 400142 and 400170 are available for Chevrolet, GMC and Pontiac 8 Cylinder Engines. Centerforce nodular iron flywheels are high quality O.E. replacements which are precision balanced for out of the box performance. Our nodular iron flywheels are not for applications that require an SFI rating. Available in Billet Steel for applications requiring an SFI approved flywheel.

Centerforce Clutches has been a leader in clutch innovation and design for over 35 years. In 1982, the Hays family founded Midway Industries, Inc. to meet growing national demand for Centerforce products. Subsequent invention and patents covering the Centerforce® I, Centerforce® II, Dual Friction®, LMC, DFX®, DYAD® DS, DYAD® XDS, TRIAD DS and the new Diesel Twin demonstrate the commitment to quality, continuous research, and new product development have propelled Centerforce products to be the industry leaders they are today.


- Nodular Iron Flywheel -


- 6 Bolt Crank -

- Direct O.E. Replacement -


The application information above is for description purposes. Please call Centerforce directly at 800-93CLUTCH or email our sales team at [email protected] for specific application information.