GM / Chevy Big Block. 396ci - 427ci. Internal balance - Fluidampr 620111

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PART #620111
Fitment GM / Chevy Big Block. 396ci - 427ci. Internal balance.
Bore Diameter Ø1.5990"
Degree Marking Range 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270
Degree Markings Engraved
Engine Balance Internal
Finish Black Zinc
Keyway Single; (3/16")
Length 2.685"
Material Steel
Mounting Hardware Included No
Outside Diameter 6-1/4"
Safety Rating SFI 18.1
Weight / Rotating Weight 8.9 lbs / 5.9 lbs