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Compatible with Chevy 383-400 Lightweight Harmonic Balancer, 6-3/4Inch

Free shipping on orders over $29.99

$86.99

$ 36 .99 $36.99

In Stock
  • 6 3/4" harmonic balancer for 383/400 Chevy
  • Weighs 6.4 lbs.
  • Weighs 7 3/4 lbs.
  • Balancing cut out on the back side to hide the crank type
  • Rated to 6,500 RPM


This 6-3/4" balancer fits 383/400 c.i. Small Block Compatible with Chevys and only weighs 7-3/4 lbs. Plus, the balancing cut out is on the backside so they cant tell what crank youre running. Damper is a press-on fit. Durable nodular iron construction. High temperature elastomer bond. This balancer is 1.20" thick. Rated to 6,500 RPM. NOT SFI approved. Item Details Externally Balanced


Richard sams
Reviewed in the United States on November 5, 2024
Great product
Ramona Krueger
Reviewed in the United States on July 10, 2023
The damn thing broke & went into my timing chain cover & ruined everything. The factory installed bolts came out & the weight went into the timing chain. I have called Speedway & they say there is nothing they can do for me because I bought it through Amazon. When I go to the help contact site, it directs me to call Speedway. Well I’ve already done that. The buck is being passed & im pissed.
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