For 1967-1974 GMC K25/K2500 Pickup Flywheel ACT 72421QXXD 1968 1969 1970 1971
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Notes: XACT Flywheel Prolite -- 2pc rear main seal, 168 tooth, 10.5" and 11" clutch. Neutral balance for internally balanced engines only. ACT XACT Flywheel Prolite. ACT XACT Prolite Clutch Flywheel.
