✨ Christmas Special: Get 35% OFF your first order. ✨

Your Shopping Bag

Your bag is empty

Subtotal $0.00
Shipping Calculated at checkout
Continue Shopping

Best Seller Nitrous Express 4150 Covert Crossbar Plate System Pro Power 100-500hp (12lb Bottle) Certified [5W7v1gt9]

$81.99 $262.99 -69%

It is packed with features including two integrated gauge ports, 5/8 siphon tube, a large .325 orifice and an improved flow path with only one 45 degree turn. The Lightning 45 bottle valve looks great, flows great and weighs nearly one full pound les

Secure Shopping

100% Safe Guarantee

Free Shipping

On orders over $30

Money-Back

30-Day Guarantee

Best Seller Nitrous Express 4150 Covert Crossbar Plate System Pro Power 100-500hp (12lb Bottle) Certified [5W7v1gt9]

It is packed with features including two integrated gauge ports, 5/8 siphon tube, a large .325 orifice and an improved flow path with only one 45 degree turn. The Lightning 45 bottle valve looks great, flows great and weighs nearly one full pound less than our old style brass valve. This crossbar nitrous system includes more than the standard crossbar nitrous kit. It includes a custom solenoid bracket, billet aluminum y fittings, braided stainless solenoid to plate lines, nickel plated fittings, wide open throttle switch, master arming switch, 40 Amp relay and relay harness. This system is designed for 4150 flange manifolds and includes jetting for 50, 100, 150, 200, 250 & 300HP.

What Our Customers Say

January 26, 2026

Absolutely no complaints!

This product is a perfect example of "you get what you pay for" in a good way.

- Ryker C..

January 26, 2026

Absolutely no complaints!

This is an investment in quality, and it's paying off.

- Adalynn P..

January 26, 2026

Absolutely no complaints!

It's a very well-made and powerful device. Great value.

- Azalea B..

Write a Review

You Might Also Like

Discover more great products from our collection.

150-A05NB Allen-Bradley

150-A05NB Allen-Bradley

(116)
$64.99 $207.99 -69%
PCBA (SENSOR) [TA2039X]

PCBA (SENSOR) [TA2039X]

(289)
$23.99 $76.99 -69%
Certified Lab Diamond

Certified Lab Diamond

(962)
$53.99 $172.99 -69%

Copyright 2026 © mappa-mercia.org

VISA
PayPal
Stripe
Mastercard
CASH ON DELIVERY