NOS Pro Two-Stage wet nitrous system gives you a moderate shot of nitrous at the line to get a solid start. Then, a second stage of nitrous gives you serious muscle through mid-track and the top end. This system is adjustable from 200-500 horsepower and uses a special dual stage plate design for excellent nitrous flow, fuel atomization and mixture distribution. Our Big Shot style Pro Two-Stage plate utilizes 4 unique spray bars equipped with tiny orifices precisely located to efficiently dispense a powerful nitrous/gasoline mixture for unbelievable horsepower gains.
| Activation |
Microswitch |
| Adjustable |
Yes |
| 1674 |
Black |
| Bottle Size |
10 lb |
| Brackets Included |
Yes |
| Brand |
NOS |
| Category |
Air and Fuel Delivery |
| Delivery Style |
Square Bore Plate |
| Emission Code |
4 |
| Feed Line Size |
6AN |
| Fuel Solenoid |
Cheater |
| Included Jetting Horsepower |
200, 250, 300, 370, 420, 500 |
| Jet Style |
Flare |
| Max Horsepower |
500 |
| Nitrous Solenoid |
Cheater |
| Number of Solenoids |
4 |
| Number of Stages |
2 |
| part type |
Nitrous Oxide Injection System Kit |
| Plate Flange |
4150 |
| Plate Height |
1 inch |
| Product Type |
NOS System |
| Solenoid Top Cover Color |
Black |
| Sub Category |
Service Kits |
| System Style |
Wet |
| Warning |
California Proposition 65 |
| Warranty |
Manufacturer's Limited 90 Day Warranty |
| Activation |
Microswitch |
| Adjustable |
Yes |
| 1674 |
Black |
| Bottle Size |
10 lb |
| Brackets Included |
Yes |
| Brand |
NOS |
| Category |
Air and Fuel Delivery |
| Delivery Style |
Square Bore Plate |
| Emission Code |
4 |
| Feed Line Size |
6AN |
| Fuel Solenoid |
Cheater |
| Included Jetting Horsepower |
200, 250, 300, 370, 420, 500 |
| Jet Style |
Flare |
| Max Horsepower |
500 |
| Nitrous Solenoid |
Cheater |
| Number of Solenoids |
4 |
| Number of Stages |
2 |
| part type |
Nitrous Oxide Injection System Kit |
| Plate Flange |
4150 |
| Plate Height |
1 inch |
| Product Type |
NOS System |
| Solenoid Top Cover Color |
Black |
| Sub Category |
Service Kits |
| System Style |
Wet |
| Warning |
California Proposition 65 |
| Warranty |
Manufacturer's Limited 90 Day Warranty |
| Description_INV |
PRO 2 STAGE V8 HOLLEY 4BBL W/10 BOTTLE |
| Description_ASC |
To supply the proper amount of fuel to the carburetor and the Big Shot System, a fuel pump must be used that is designed to operate between 4.5 and 7 psi, with a flow rate of 0.1 gallons per horsepower at 6 psi. For example, an engine that produces 350 horsepower when the Big Shot System is activated will require a fuel pump that flows at least 35 gallons per hour at 6 psi. |
| Description_DES |
NOS Pro Two-Stage Wet Nitrous System for 4150 4-barrel Carburetor-Black |
| Description_EXT |
Fits Holley 4150 and Carter AFB (late), 200-500 HP, includes Black 10 lb Bottle |
| Description_MKT |
NOS Pro Two-Stage wet nitrous system gives you a moderate shot of nitrous at the line to get a solid start. Then, a second stage of nitrous gives you serious muscle through mid-track and the top end. This system is adjustable from 200-500 horsepower and uses a special dual stage plate design for excellent nitrous flow, fuel atomization and mixture distribution. Our Big Shot style Pro Two-Stage plate utilizes 4 unique spray bars equipped with tiny orifices precisely located to efficiently dispense a powerful nitrous/gasoline mixture for unbelievable horsepower gains. |
| Description_FAB |
Includes 4150-flange 1” thick dual stage black aluminum plate with 4 spray bars |
| Description_FAB |
Offers steady and precise nitrous flow, fuel atomization, and mixture distribution |
| Description_FAB |
Includes jetting for 200, 250, 300, 370, 420 & 500 horsepower |
| Description_FAB |
Includes 2 Cheater Fuel and 2 Cheater Nitrous solenoids |
| Description_FAB |
Bottle is made from 6061-T6 Aluminum |
| Description_FAB |
Includes 10 lb. black nitrous bottle with brackets |
| Description_FAB |
Includes mounting hardware and instructions |
| Description_INV |
PRO 2 STAGE V8 HOLLEY 4BBL W/10 BOTTLE |
| Description_ASC |
To supply the proper amount of fuel to the carburetor and the Big Shot System, a fuel pump must be used that is designed to operate between 4.5 and 7 psi, with a flow rate of 0.1 gallons per horsepower at 6 psi. For example, an engine that produces 350 horsepower when the Big Shot System is activated will require a fuel pump that flows at least 35 gallons per hour at 6 psi. |
| Description_DES |
NOS Pro Two-Stage Wet Nitrous System for 4150 4-barrel Carburetor-Black |
| Description_EXT |
Fits Holley 4150 and Carter AFB (late), 200-500 HP, includes Black 10 lb Bottle |
| Description_MKT |
NOS Pro Two-Stage wet nitrous system gives you a moderate shot of nitrous at the line to get a solid start. Then, a second stage of nitrous gives you serious muscle through mid-track and the top end. This system is adjustable from 200-500 horsepower and uses a special dual stage plate design for excellent nitrous flow, fuel atomization and mixture distribution. Our Big Shot style Pro Two-Stage plate utilizes 4 unique spray bars equipped with tiny orifices precisely located to efficiently dispense a powerful nitrous/gasoline mixture for unbelievable horsepower gains. |
| Description_FAB |
Includes 4150-flange 1” thick dual stage black aluminum plate with 4 spray bars |
| Description_FAB |
Offers steady and precise nitrous flow, fuel atomization, and mixture distribution |
| Description_FAB |
Includes jetting for 200, 250, 300, 370, 420 & 500 horsepower |
| Description_FAB |
Includes 2 Cheater Fuel and 2 Cheater Nitrous solenoids |
| Description_FAB |
Bottle is made from 6061-T6 Aluminum |
| Description_FAB |
Includes 10 lb. black nitrous bottle with brackets |
| Description_FAB |
Includes mounting hardware and instructions |
