This is a BluePrint Engines Chevy small block harmonic balancer for externally balanced engines. It is an 8 inch diameter balancer with cast-in degree timing marks and the mounting hardware included, intended for performance and street-driven small block builds that use a 400 c.i.-style external balance, including many 383 stroker crate engine combinations.
Specifications:
- Type: Harmonic balancer
- Fitment: Chevy small block, externally balanced (400 c.i.-style)
- Diameter: 8 in
- Degree markings: Yes
- Mounting hardware: Included
- SFI rated: No (non-SFI)
- Sold as: Each
- Part number: BPP400L
Compatibility: Fits externally balanced Chevy small block engines that require a 400 c.i.-style balancer, including many BluePrint 383 stroker configurations. Confirm your engine requires an external-balance balancer before ordering.
Prop 65 Warning: This product can expose you to chemicals known to the State of California to cause cancer and reproductive harm. For more information visit www.P65Warnings.ca.gov.
FAQ
What engines does the BPP400L fit?
It fits externally balanced Chevy small block engines that use a 400 c.i.-style balance, including many 383 stroker crate engine configurations. Confirm your engine calls for an external-balance balancer.
Is this balancer SFI rated?
No. It is a non-SFI harmonic balancer intended for street and performance use.
Does it include mounting hardware?
Yes. The balancer includes its mounting hardware and has degree timing marks cast in.
What size is it?
It is 8 inches in diameter.

