6.7" Harmonic Balancer for Ford Big Block

Upgrade your Ford 429/460 big block engines with a SFI-certified performance harmonic balancer designed to control crankshaft vibration and reduce harmful harmonics across the RPM range. Built for street and performance applications, this 6.700 in. balancer improves engine stability, durability, and overall reliability.

Vibration Control & Engine Protection
Designed to dampen crankshaft harmonics, this balancer helps reduce engine wear and improve long-term reliability—especially in performance and high-RPM applications.

Durable Performance Construction
Steel and elastomer construction provides dependable damping and strength, while SFI certification supports high-performance and racing applications.

Easy Timing & Installation
60 deg. Before Top Dead Center To 0 deg. Top Dead Center timing marks simplify ignition setup, while the 6.700 in. diameter supports proper accessory alignment and straightforward installation.

Built for Street & Performance Applications
Ideal for performance rebuilds, restorations, and upgraded engine combinations where crankshaft stability and consistent operation are critical.

COMPATIBLE WITH
FORD BIG BLOCK 385 SERIES V8

• 7.0L / 429 in³
• 7.5L / 460 in³

COMMON VEHICLE APPLICATIONS
Ford F-Series (429 / 460 equipped)
Ford Torino / Thunderbird (429 / 460 equipped)
Ford Galaxie / LTD (429 / 460 equipped)
Lincoln Continental (460 equipped)
Marine, towing, and performance Big Block Ford builds

NOTES
Designed for Ford 385-series Big Block engine platforms.
Features two keyways for SVO crankshafts.
For stock one-keyway applications, requires the use of Ford spacer/counterweight M-6359-D460.
Will not fit Small Block Windsor, Cleveland, FE, or Modular Ford engines.