Holley EFI SBC 4150 Single Plane Fuel Injection Intake Manifold Chevy Small Block V8 with L31 Vortec cylinder heads 300-263
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
Features:
- Single plane design with isolated plenum to keep the air charge cooler
- 4150 square bore mounting flange to adapt most aftermarket throttle body designs
- Power band: 2500-7500 RPM
- Height: Front 4.23", Rear 5.33"
- Port Size: 2.05Ó height 1.02" width
- Lower throttle body mounting height to help with hood clearance
- Black coated fuel rails with bracket assortment allowing different height fuel injectors
- Fuel injectors are not included
- Fuel rail designed for maximum throttle lever clearance
- Small Block Chevrolet 262-400 cid engines equipped with 1996-2002 (L31) Vortec cylinder heads (non-EGR applications)
About Holley EFI

Find standalone EFI for LS, Coyote, Hemi and more at Holley.com. From engine swapping to managing up to 4000 horsepower, we have a solution for every project!
Shipping information
Use this text to share information about your product.
Returns & warranty
Use this text to share information about your product.