Moroso 5/16in-24 x 1.625in Long 12-Point Nuts Carburetor Stud Kit
Moroso 37962 delivers cadmium-plated steel studs and chromoly 12-point nuts for reliable carburetor mounting on performance engines. This universal kit fits square bore carbs like Holley 4150 series and Edelbrock on Chevy small big block LS Ford Windsor Mopar intakes. Engine builders count on it for vibration resistance and consistent torque in racing street use.
Key Features
- Precise Threading – 5/16-24 inch threads match standard intake manifold bosses
- Extended Length – 1.625 inch studs handle spacers gaskets thick flanges
- Corrosion Protection – Cadmium plating on studs prevents rust in harsh environments
- High-Strength Nuts – Chromoly 12-point design grips tight resists rounding under load
- Complete Set – Includes 4 studs 8 nuts for full four-barrel carb install
- Low Profile – Thin nuts fit under carbs without clearance issues
Specifications
| Detail | Value |
|---|---|
| Brand | Moroso |
| Type | Carburetor Stud Nut Kit |
| Compatibility | Universal square bore carbs Holley Edelbrock |
| Thread Size | 5/16-24 in. |
| Stud Length | 1.625 in. |
| Weight | 0.30 lbs |
| Country of Origin | USA |
| Warranty | Manufacturer defect coverage |
Whats Included
- 4 Cadmium Plated Steel Studs 5/16-24 x 1.625 in.
- 8 Chromoly 12-Point Nuts
Product Notes
- Screws directly into aluminum steel intake manifolds
- Works with phenolic spacers air cleaners
- Popular in drag strip circle track applications
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 1955-2024 | Chevrolet | Small Block Big Block LS | 5/16-24 intake threads square bore carbs |
| 1955-2024 | Ford | Small Block Windsor Cleveland | Performance intakes Holley Edelbrock carbs |
| 1955-2024 | Dodge Plymouth | Small Block Hemi RB | Universal carb mounting |
Why Choose Moroso?
- Built for NHRA IHRA racing demands
- Consistent quality from Connecticut factory
- Direct replacement for OEM worn studs
- Backed by decades of performance expertise
Frequently Asked Questions
- Q: Does this kit fit Holley double pumper carbs?
- A: Yes fits all Holley 4150 4160 flange patterns.
- Q: Are the nuts reusable after torquing?
- A: Chromoly 12-point nuts handle multiple uses in competition.
- Q: What torque spec for installation?
- A: 25-30 ft-lbs typical check manifold specs.
Shipping & Handling
- Method: UPS Ground
- Availability: In stock – ships same or next business day
- Packaging: Compact retail box approx. 5 x 4 x 1 inches
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