Holley 4150 - 200-400 Hp / cnc 6061 plate. Complete with accessories.

Bolt On HP:
The plate kit is intended to work with dual-plane 4150 or single plane 4150 intakes. Made from billet 6061 aluminum and assembled by hand. We have sold tens of thousands of these billet plates. If you are looking for the best you have found it. 

Design:
The nitrous plate kit provides up to 400hp. 

Construction:
The 4150 plate is manufactured from 6061 billet aluminum. The nitrous plate is .65” thick 

Application:
Designed for use with 4150 flange intakes with either a dual-plane or single-plane design. This plate kit is compatible with carburetion or EFI!

In the box: 

What you see is what you get. Comes complete with a 10LB super high flow bottle with gauge and NHRA approved 8an blow off fitting with cap, Billet 4150 nitrous plate, brackets, 6AN - 15ft feedline, all the fittings, brackets, solenoids, braided hoses, jets from 100-400hp, WOT switch and needed hardware.