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Hardware, Chemicals & Tools > Crankshaft & Bearing Tools >
4”-41/8” BIG TWIN CASE BORING JIG AND ADAPTERS
Features
- Jig takes the guesswork out of boring Twin Cam cases to accept 4”-4 1/8” bore cylinders
- Jig designed for use in heavy-duty, 15” drill press
- Jig angled swivel base simply mounts to drill press; bolt in the case, install the case boring fixture using the cylinder stud holes, set the drill rpm and bore
- Order adapter 3801-0105 to allow boring of Evolution Big Twin and 07 Big Twin cam models; for use with discontinued boring jig PART # DS-196410 (Jim’s #1177)
- Order adapter 3801-0103 to allow boring of 84-99 Evolution Big Twin models; for use with PART # 3801-0063 boring jig
- Will work with all aftermarket engine cases that utilize stock location of cylinder stud holes and overall case widths
- Made in the U.S.A.
Images
3801-0063
BORING JIG
| Part Number | Description | Suggested Retail |
|---|---|---|
| 3801-0063 | FITS: 99-09 Twin Cam models | $1,720.95 |
EVOLUTION AND TWIN CAM ADAPTERS
| Part Number | Description | Suggested Retail |
|---|---|---|
| 3801-0105 | Adapter for PART #3801-0063 (allows jig to bore 84-99 Evolution Big Twin models) | $472.95 |
| 3801-0103 | Adapter for PART #DS-196410 (not available) allows jig to bore 06 Dyna and all 07 Big Twin models | $251.95 |
This item appears on page 1171 of the Fatbook