
This product is no longer available. Please call customer service for assistance at 1-800-345-4545.
- Action +Plus Intake Manifold
- 413/426 Wedge/440ci
- 4150 Carb Flange
- Idle-6000 RPM Range
- Low Rise/Dual Plane Design
- Square Bore Carburetor Mounting Flange
- Power band: Idle-6000 RPM
- Height: Front 3.25", Rear 3.69"
- Port Size: 2.18" height, 1.14" width
Action +Plus 180° low-rise, dual-plane manifolds are ideal for stock replacement yet with improved power and torque. Their effective range is off-idle through approximately 5500+ RPM, and they work well with larger cam profiles.
Show More
Features:- Low rise, dual plane design builds maximum torque for street performance engines
- Permanent mold casting process for lighter, smoother, better looking and more consistent castings
- Dyno proven to make as much as 25hp over competitors manifold
- Square bore carburetor flange
- Utilizes late model alternator and A/C bracket mounting provisions
- Additional vacuum tap off of runner
- Will clear HEI distributors
- Exhaust crossover for improved street drivability (Standard Small Block Chevy heads)
- Fully CNC machined for a perfect fit
In addition, some of these manifolds feature Weiand's Everbright coating. Virtually maintenance-free, this polished finish is the product of vacuum metalizing technology and protective clearcoating; looks good, lasts long.
JEGS Easy Kits are designed by JEGS Professionals to assist your shopping experience. Kit includes Weiand Intake Manifold, Intake Gaskets, Intake Bolts, Carburetor Gasket, Carburetor Studs and RTV Silicone Sealer.


![Blue RTV, Temperature Resistant up to 500 degrees [3 oz. Tube]](https://www.jegs.com/images/mini_200/500/555/555-28030.jpg)







