JEGS
Cool Gap Intake Manifold for 1962-1985 Small Block Ford 260, 289 & 302 (Except Boss 302), Dual Plane [Satin]
555-513078
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Small Block Ford
JEGS 513078 Dual Plane Intake Manifold Features:
- Dual Plane design for optimum fuel distribution
- Accepts 4150/4160 4-BBL square bore carburetors
- Cool Gap design keeps hot engine oil away from intake runners resulting in a cooler, denser charge for more horsepower, torque, and efficiency
- (8) Intake runner bosses cast in for nitrous or fuel injector ports
- Port exit dimensions: 1.097 in. W x 1.879 in. H
- Estimated runner length - Shortest: 5.00 in.
- Estimated runner length - Longest: 7 in.
- Manifold height: Front (A) 4.500 in., Rear (B) 5.500 in. (A + B divided by 2 = 5 in. Carburetor Pad Height)
- Click here to determine the carburetor pad height
- Aftermarket 4-bbl carbs are not compatible with Ford Auto Overdrive Transmission (AOD) unless used with JEGS Throttle Cable Bracket & Springs p/n 555-157050
- This Intake manifold will not fit 255ci engines
- 1 Front 1/2 in. NPT port for a water temperature gauge
- 1 Front & 2 Rear 3/8 in. NPT water outlet ports for additional cooling lines
- 1 Rear 3/8 NPT vacuum port
- No provision for divorced or heated choke
- Intake gasket port matching is recommended for optimum performance
Additional Recommended Items (Sold Separately):
- Stock/stamped steel valve covers may require 3/16" (or thicker) valve cover gaskets. We recommend 555-21120 or 555-210270 for adequate runner clearance.
- Recommended Intake Gasket 555-210200
- Front to Rear Coolant Fittings and Hose
- JEGS Black 90-degree 3/8 in. NPT to -8 AN Fittings - 555-110147
- JEGS Black Straight 3/8 in. NPT to 8 AN Fittings - 555-110107
- JEGS Black 90-degree 1/2 in. NPT to -8 AN Fittings - 555-110149
- JEGS Black Straight 1/2 in. NPT to 8 AN Fittings - 555-110109
- JEGS Black Pro-Flo 350 -8 AN Braided Hose, 3 ft. - 555-110920
- JEGS Black Straight -8 AN Max Flow Hose End - 555-110002
- JEGS Black 45-degree -8 AN Max Flow Swivel Hose End - 555-110012
- JEGS Black 90-degree -8 AN Max Flow Swivel Hose Ends - 555-110022
- Carburetor Fuel Inlet Lines & Fittings
- Carburetor Spacers
- Fuel Filters
- Carburetor Linkage, Choke Kits & Components
| JEGS Carb Recommendations/Notes | ||||
| Carburetors | ||||
| 570 CFM | 670 CFM | 770 CFM | ||
| Up to 300 HP | 300 to 400 HP | 400 to 500 HP | ||
| Manual Choke | 510-0-81570 | 510-0-81670 | 510-0-81770 | |
| Electric Choke | 510-0-80570 | 510-0-80670 | 510-0-80770 | |
| Carburetor Studs | ||||
| 555-15840 | 1-1/2" Studs | Suggested for carb and gasket only | ||
| 555-15841 | 2" Studs | Suggested for carb and 1/2" spacer | ||
| 555-15842 | 2-1/2" Studs | Suggested for carb and 1" spacer | ||
| 555-15846 | 3-1/2" Studs | Suggested for carb and 2" spacer | ||
| Carburetor Base Gaskets | ||||
| 555-16100 | Open (Square Flange) | |||
| 555-16105 | 4-Hole (Square Flange) | |||
| Intake Manifold Bolts | ||||
| 555-83210 | Small Block Ford - Standard | |||
Emissions Note:
This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.
CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART
Specifications:
why is listed small block ford up to 1985? what about 1986 on up?
Motor Vehicles
WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.
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Electrical Cords
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