Transmission - Clutch/Pressure Plate/Flywheel Comp. - Flywheel

From GM Performance - This light weight 15 pound nodular iron flywheel reduces and engines rotating inertia and quickens its throttle response. It is designed for internally balanced big block V8s. This flywheel uses a 10.4 inch clutch. Its ring gear outside diameter is 12 3/4 inch. Flywheel #3856579. Technical Note: This flywheel is neutral balanced; do not use with externally balanced 454ci engines. Use with neutral balanced torsional damper P/N 3879623. 153 tooth starter ring gear.

From GM Performance - This counterweighted flywheel is designed for externally balanced 454ci big blocks. Its lightweight design reduces the engines rotating mass and improves its throttle response. This flywheel uses a 10.4 inch diameter clutch. Its ring gear outside diameter is 12 3/4 inch. Flywheel ID # 3935411. Approximate weight 15 lbs. Technical Notes: This flywheel is unbalanced; do not use with internally balanced engines. Use with counterweighted balancer P/N 3963530. 153 tooth starter ring gear. For use with Mark IV engine only.

From GM Performance - This 14 inch diameter manual transmission flywheel accepts and 11 inch diameter heavy-duty clutch. It can be used with all internally balanced Chevy big block V8 engines. Technical Notes: Do not use with externally balanced 454ci engines. Use with neutral balanced damper P/N 3879623. 168 tooth starter ring gear. For use with Mark IV engine only.

From GM Performance - This counterweighted 14 inch diameter flywheel for manual transmission applications provides the correct engine balance for externally balanced 454ci big blocks. It is drilled for an 11 inch diameter clutch. Flywheel ID #3993457. Technical Notes: Do not use with internally balanced engines. Use with counterweighted balancer P/N 3963530. 168 tooth starter ring gear. For use with Mark IV engine only.

From GM Performance - Gen V and Gen VI 1991 trough current year, 14 inch diameter. For 11 inch clutch. Note: Nodular iron with casting P/N 14096805.

Flywheel, Automatic-Powerglide.

Flywheel, 3 and 4 speed.