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|PART NUMBER||ENGINE||BALANCE||NOTES||MASS (LBS)|
||302 (1981-93)||50 oz.-in.||Meets SFI 18-1 1,2,3,5||12.1|
||28.2 oz.-in.||Meets SFI 18-1 1,2,3,6||11.5|
||429/460||Neutral||Meets SFI 18-1||10.1|
||514/521||Neutral||Meets SFI 18-14||10.1|
||302/351W||Neutral||Meets SFI 18-13,6||10.6|
NOTES: 1 Damper has removable weight that allows use as a neutral balance unit for internally balanced crankshafts. 1994-01 Mustang and Explorer requires modification. 2 Does not clear early timing chain cover with rear installed seal. 3 3.000-inch. overall length 4 Tuned for use on 521 crate engine. 5 Passenger side 11-o'clock timing marks only. 6 Passenger side 11-o'clock timing marks and drivers side 2-o'clock timing marks