Original: $314.36
-65%$314.36
$110.03The Story
Upgrade your Chevy Big Block 396-427 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 8.000 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 8.000 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
CHEVROLET BIG BLOCK V8
• 6.5L / 396 in³
• 6.6L / 402 in³
• 7.0L / 427 in³
COMMON VEHICLE APPLICATIONS
Chevrolet Chevelle / El Camino (Big Block equipped)
Chevrolet Camaro (Big Block equipped or swapped)
Chevrolet C10 / C/K Trucks (Big Block equipped)
Chevrolet Impala / Caprice (Big Block equipped)
Marine, street/strip, and performance Big Block Chevy builds
NOTES
Designed for Big Block Chevy 396–427 engine platforms.
Fits applications with three crankshaft pulley bolt holes.
Verify pulley alignment, timing pointer location, and engine balance before installation.
Not compatible with Small Block Chevy, LS, or LT engine platforms.
| Bolt And Washer Included | No |
| Construction | Elastomer |
| Damper Color | Black |
| Damper Finish | Satin |
| Damper Material | Steel |
| Engine Balance | Internal |
| Grade Type | Performance |
| Mounting Hole Quantity | 3 |
| Outside Diameter | 8.000 in. |
| Pulley Groove Quantity | 0 |
| SFI Rating | SFI 18.1 |
| Timing Marks | 60 deg. Before Top Dead Center To 0 deg. Top Dead Center |
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Upgrade your Chevy Big Block 396-427 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 8.000 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 8.000 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
CHEVROLET BIG BLOCK V8
• 6.5L / 396 in³
• 6.6L / 402 in³
• 7.0L / 427 in³
COMMON VEHICLE APPLICATIONS
Chevrolet Chevelle / El Camino (Big Block equipped)
Chevrolet Camaro (Big Block equipped or swapped)
Chevrolet C10 / C/K Trucks (Big Block equipped)
Chevrolet Impala / Caprice (Big Block equipped)
Marine, street/strip, and performance Big Block Chevy builds
NOTES
Designed for Big Block Chevy 396–427 engine platforms.
Fits applications with three crankshaft pulley bolt holes.
Verify pulley alignment, timing pointer location, and engine balance before installation.
Not compatible with Small Block Chevy, LS, or LT engine platforms.
| Bolt And Washer Included | No |
| Construction | Elastomer |
| Damper Color | Black |
| Damper Finish | Satin |
| Damper Material | Steel |
| Engine Balance | Internal |
| Grade Type | Performance |
| Mounting Hole Quantity | 3 |
| Outside Diameter | 8.000 in. |
| Pulley Groove Quantity | 0 |
| SFI Rating | SFI 18.1 |
| Timing Marks | 60 deg. Before Top Dead Center To 0 deg. Top Dead Center |
