
EARL’S
EARL’S HARMONIC BALANCER BOLT – GM LS SERIES – 12-POINT
Harmonic Balancer Bolt w/ Thick Washer, GM LS1/LS6 4.8L-7.0L, 12-Point , 27mm Wrenching, 180,000 PSI, M16 x 2.0 x 4.330″ Under Head Length. Fits all versions of the GM LS engine – except the LS7/LS9/LSA.
Part # DBT-004ERL
Earl’s harmonic balancer bolts are made from high quality chrome moly steel with 180,000 PSI rating. The extra-tall 12-point bolt head won’t strip or allow the socket to slip-off when turning over the engine. Includes extra thick large diameter washer. Bolt and washer are black oxide coated.
Features:
- 180,000 PSI Rating
- Made from High Strength 4135 Chrome Moly
- Black Oxide Coating
- 27mm Wrench Size
- Extra-Tall 12-Point Bolt Head – Won’t Strip or Allow Socket to Slip Off
- Large Diameter Extra Thick Washer
- Reusable – Not Torque-To-Yield
| Brand | Earl’s |
|---|---|
| Emission Code | 5 |
| Engine | GM Small Block Gen III/IV (LS Based) |
| Finish | Black Oxide |
| Head Style | 12-Point |
| Material | 4135 Chrome Moly |
| Product Type | Harmonic Balancer Bolts |
| PSI Rating | 180,000 |
| Reusable | Yes |
| Thread Size | 16mm x 2.0 |
| Under Head Length | 4.330″ |
| Washer Included | Yes |
| Washer Size | .270″ Thick x 1.960″ Diameter |
| Wrench Size | 27mm |
| UPC | 090127003862 |
| Part Number | DBT-004ERL |







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