6-3/4" SFI Harmonic Balancer
Compatible with Chevy Small Block 262–350 V8 • SFI 18.1 Certified • Gloss Black Finish
Product Overview:
High-quality 6-3/4" harmonic balancer designed for Small Block Chevrolet Gen I engines.
Manufactured with a durable steel hub and inertia ring bonded by premium elastomer for superior vibration control and long-term reliability.
SFI 18.1 certified and precision balanced to help reduce crankshaft harmonics while maintaining smooth engine operation.
Key Features:
SFI Specification 18.1 Certified
Heavy-duty steel construction for durability
Premium bonded elastomer design for vibration absorption
Precision balanced for smooth engine performance
White timing marks including 90° increments for easy timing setup
Gloss black finish for corrosion resistance and clean appearance
Specifications:
Outside Diameter: 6.75" (6-3/4")
Material: Steel with Elastomer Dampening Ring
Finish: Gloss Black
SFI Rating: 18.1
Engine Balance: Internal Balance
Degree Markings: Yes
Color: Black
Quantity: Sold Individually
Engine Compatibility:
Compatible with Small Block Chevrolet Gen I Engines:
✔ 262 CID (4.3L)
✔ 265 CID (4.3L)
✔ 267 CID (4.4L)
✔ 283 CID (4.6L)
✔ 302 CID (4.9L)
✔ 305 CID (5.0L)
✔ 307 CID (5.0L)
✔ 327 CID (5.4L)
✔ 350 CID (5.7L)
Performance Benefits:
Reduces harmful crankshaft vibrations
Helps protect bearings and rotating assembly components
Improves engine durability and reliability
Easy-to-read timing marks simplify ignition timing adjustments
Suitable for street, restoration, and performance applications
Package Includes:
✔ 1 × 6-3/4" Harmonic Balancer
Installation Notes:
⚠ Verify engine balance type before installation.
⚠ Professional installation is recommended.
⚠ Always inspect crankshaft snout and keyway condition before installation.
