Pro Street, Direct Port
If you are hungry for more power, the Pro Street 275 Adjustable Nitrous System may be just what your street machine needs. This system can be used on stock engines up to 175 HP and up to 275 HP on slightly modified engines with forged pistons.
Being adjustable gives you the ability to change horsepower levels to compensate for different track conditions.
These kits are supplied with an empty 10lb aluminum bottle with chrome high flow bottle valve, quick release stainless steel bottle brackets, precision drilled nitrous injector plate, 17 foot of braided stainless steel supply line, lifetime nitrous filter, and our EXCLUSIVE Limited Lifetime Warranty.
550100 Holley 4 barrel
Recommended add on for the above kits:
342235 Nitrous bottle gauge
258000 Vapor Purge Kit
342237 12V bottle heater
342514 Fuel Safety Switch
342230 Fuel 0-15 PSI gauge
342210 High Flow regulator