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The SPEC aluminum flywheel adapts GM Northstar V8 engines to a Pontiac Fiero five‑speed transmission, providing the necessary flywheel interface for that conversion. Made as an application-specific aluminum flywheel, it enables the Northstar V8 to be mated to the Fiero 5-speed transmission while supplying the OEM-style mounting and ring gear interfaces required for this drivetrain pairing.
Spec GM Northstar V8 to Pontiac Fiero 5sp Aluminum Flywheel
