✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Bfcm Special Fluidampr 720121 Harmonic Balancer - Fluidampr - Bbc - 7-1/4" Dia - Int Balance - Each Save 70% Now [834xSM2t]

$43.99 $140.99 -69%

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

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Bfcm Special Fluidampr 720121 Harmonic Balancer - Fluidampr - Bbc - 7-1/4" Dia - Int Balance - Each Save 70% Now [834xSM2t]

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.
Resources
Installation Instructions

Specifications:

Depth 2.685
Description_ASM Chevy Big Block (396-427). Internal balance.
Description_DEF Engine Harmonic Balancer
Description_DES Harmonic Balancer - Fluidampr - BBC - 7-1/4" dia - Int Balance - Each
Description_EXT Harmonic Balancer - Fluidampr - Big Block Chevy - Internal Balance - Steel - Black Zinc Chromate - 7-1/4" dia - 12.8 lbs - SFI 18.1 - Made in USA - Each
Description_FAB Broad RPM range protection.
Description_FAB Made in USA.
Description_FAB No maintenance required.
Description_FAB Reduce risk of crankshaft failure.
Description_FAB Reduce wear on critical engine parts.
Description_FAB SFI 18.1 spec. Race proven for over 35 years.
Description_FAB Superior durability.
Description_FAB Unleash lost torque & horsepower.
Description_INV Fluidampr Performance Damper
Description_KEY fluidampr, fluidamper, fluid damper, fluidampener, fluidampnr, harmonic balancer, harmonic, balancer, damper, dampener, crankshaft damper, crank pulley, viscous damper, chevy, bbc, big block chevy, SFI 18.1
Description_LAB Fluidampr
Description_MKT 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.
Description_SHO Harmonic Balancer
Engine Balance Internal
finish Black Zinc
height 4.5
Inside Diameter 1.599
length 10.5
LTL N
Material Steel
Mounting Hole Quantity 1
Outside Diameter 7-1/4"
Prop 65 - Short Label CA-Prop65-label.jpg
Prop 65 Yes/No Yes
Title Fluidampr - 720121 - Harmonic Balancer - Fluidampr - BBC - 7-1/4" dia - Int Balance - Each
weight 12.8
width 10.5

What Our Customers Say

January 27, 2026

Absolutely no complaints!

An excellent buy. I have zero regrets.

- Angie E..

January 27, 2026

Absolutely no complaints!

A great item. And good quality.

- Lee I..

January 27, 2026

Absolutely no complaints!

This is a very capable and smart tool.

- Claire Q..

Write a Review

You Might Also Like

Discover more great products from our collection.

Pondera Brown Recliner

Pondera Brown Recliner

(963)
$48.99 $156.99 -69%
Silver Royal Crown Wall Mirror

Silver Royal Crown Wall Mirror

(551)
$33.99 $108.99 -69%
Grifflain 5' x 7' Rug

Grifflain 5' x 7' Rug

(342)
$33.99 $108.99 -69%
Emanuele Tozzoli

Emanuele Tozzoli

(828)
$62.99 $201.99 -69%
SWEET Eau de Parfum

SWEET Eau de Parfum

(441)
$29.99 $95.99 -69%
Ostarine - Galactic Plus

Ostarine - Galactic Plus

(29)
$23.99 $76.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY