Fluidampr 650401 – Pontiac 389 400 421 428 455 CID V-8 Steel Internally Balanced Damper

Description

Fluidampr 650401 – Pontiac 389 400 421 428 455 CID V-8 Steel Internally Balanced Damper

Harmonic Balancer – 6.625 in OD – Steel – Black Zinc – Internal Balance – Pontiac V8 – Each

Harmonic Balancer – Fluidampr – Pontiac / Oldsmobile – 1959 – 1979 V8 – Internal Balance – Steel – Black Zinc Chromate – 6-5/8″ dia – 10.2 lbs – SFI 18.1 – Made in USA – Each

Protect your engine. Modifications can compromise your stock harmonic balancer. Install a Fluidampr performance damper early for best durability. Superior viscous damper design controls harmful torsional vibration across the entire rpm range. Reduce wear on engine components. Reduce risk of crankshaft failure. Improve timing. Unleash lost torque and horsepower. Precision CNC machined and balanced high-grade steel components. Corrosion resistant black zinc finish with engraved timing marks. No maintenance required. Trusted by leading engine builders worldwide. SFI 18.1 certified. Made in USA.

• Broad RPM range protection.
• Reduce risk of crankshaft failure.
• Reduce wear on critical engine parts.
• Unleash lost torque & horsepower.
• No maintenance required.
• Superior durability.
• SFI 18.1 spec. Race proven for over 35 years.
• Made in USA.

Bolt and Washer Included: NoOutside Diameter: 6-5/8″Safety Rating: SFI 18.1Pulley Bolt Pattern: 4 bolt pattern on 3.300 circle. Holes in pulley must be re-drilled. 1969-later timing cover and pulley may be required on earlier models.Mounting Hole Quantity: 1Degree Marking Range: 50 BTDC to 10 ATDC. Additional timing/degree marks at 90, 180 and 270Material: SteelKeyway Spec: Single; (3/16″)Inside Diameter: 1.372Finish: Black ZincEngine Balance: InternalDepth: 3.247Degree Markings: EngravedWeight / Rotating Weight: 10.2 lbs / 6.8 lbsBolt And Washer Included: NoDepth: 3.247Grade Type: PerformanceInside Diameter: 1.372Keyway Type: YesMounting Hole Diameter: 1.372Mounting Hole Quantity: 1Outside Diameter: 6.625