Fluidampr 720121 Harmonic Balancer Internal Balance Chevy Big Block 7.25" Dia

Part Number: FLU-720121

Fits Big Block Chevy V8's 396, 402 and 427 CI 

Please contact us before ordering if you are not 100% sure of fitment for your application.

UPC: 815293001074

Engine Balance: Internal

Safety Rating: SFI 18.1

Degree Markings: Yes

Degree Marking Range: 50 BTDC to 10 ATDC

Outside Diameter (in): 7.250 in.

Harmonic Balancer Material: Steel

Harmonic Balancer Construction: Fluid

Harmonic Balancer Finish: Black zinc chromate

Mounting Hardware Included: No

Quantity: Sold individually.

Notes: Additional timing/degree marks at 90, 180, and 270 degrees.

Using only three parts (a laser-welded sealed housing, an internal inertia ring, and highly viscous silicone fluid between the two), SFI-approved Fluidampr harmonic dampers can control all crankshaft vibration--not just a limited frequency range. As a result, you get reduced wear on the main bearings and timing gear, more stable valvetrain operation, and less chance of crank failure.