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Description
BUGPACK Forged Flanged Crankshaft — Chevy Journal, 4340 Nitrided | VW Type 1 (B4-0002)BUGPACK forged flanged crankshaft for high horsepower air cooled VW engine builds forged from 4340 chromoly steel with nitrided Type IV main journals and Chevy rod journals. The 6 bolt, 6 pin flange eliminates flywheel to crank movement that costs power and durability at high RPM. Select your stroke from the dropdown. Application High horsepower air cooled VW engine builds requiring a forged crank Builds spec'd for Chevy rod journals (2. 000" small
BUGPACK forged flanged crankshaft for high-horsepower air-cooled VW engine builds — forged from 4340 chromoly steel with nitrided Type-IV main journals and Chevy rod journals. The 6-bolt, 6-pin flange eliminates flywheel-to-crank movement that costs power and durability at high RPM. Select your stroke from the dropdown.
Application
- High-horsepower air-cooled VW engine builds requiring a forged crank
- Builds spec'd for Chevy rod journals (2.000" small-block Chevy)
- Type-IV main journal compatibility
- Flange-style flywheel mounting (6-bolt, 6-pin)
Why a forged crank
Cast cranks fail at high RPM and high load. A forged 4340 chromoly crank, properly nitrided and balanced, is the foundation for any engine making real power. The Chevy journal allows use of a far wider range of high-end aftermarket rods (Carrillo, Eagle, Manley, Scat, etc.) than the OEM VW journal sizes permit — cost-effective compared to building around custom VW-journal rods.
Stroke options
- 78mm — B4-0002-5
- 82mm — B4-0003-1
- 84mm — B4-0002-6 (big-stroke option)
Specifications
- Material: 4340 chromoly forged
- Main journals: Nitrided, Type-IV
- Rod journals: Chevy (2.000")
- Flywheel flange: 6-bolt, 6-pin
- Sold as: Each
- Weight: ~24 lb (shipping)
About BUGPACK
BUGPACK is EMPI's high-performance engine and chassis line for the air-cooled VW community. The forged crank program targets serious horsepower builds where stock or cast components won't survive.
WARNING: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov. All parts legal for use on pre-pollution controlled vehicles only.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy