GM INTAKE MANIFOLDS, GASKETS & COMPONENTSA. 14097092
Intake Manifold, Oval Port (Iron)
• Economical iron four-barrel intake manifold
• Fits all 396–502 engines with large oval port heads
• Use oil splash shield P/N 346243 (if required) B. 19131359
High-Rise Intake Manifold, Rectangular Port
• Aluminum, dual-plane manifold can be used with high performance cast iron or aluminum rectangular port heads
• Same as used on 454 HO and 502 HO engine assemblies Ports do not match Bowtie cylinder heads P/N 14044861 and P/N 14044862, or symmetrical port heads P/N 10051128 and P/N 10051129.
19170038 NEW
Maxshine High-Rise Intake Manifold, Rectangular Port (not shown)
• Same as P/N 19131359
• Bright silver chrome finish with powder coated durability
• Resists discoloration from heat
• Clear top coat enhances polished aluminum look for a great appearance
• Three step Vacuum Metalizing Process: base coat, aluminum coat, and clear top coat to enhance abrasion and chemical resistance
• Offers a bright, durable, maintenance-free polished aluminum look  C. 12363420
High-Rise Intake Manifold, Oval Port
• Designed for all 396–502 engines with GM aluminum heads (1975 and earlier) and large oval port iron heads
• Has a dual-plane design with spread bore flange and a dual bolt pattern
• Has no provisions for a hot air choke, but will accept a divorced choke or electric choke
• Accepts air conditioning and alternator brackets
• Use intake manifold gasket P/N 12366985 and bolt kit P/N 12367959 May not fit on many Corvette models. Manifold height is 6" at the rear and 4.5" in front. Check for hood clearance before ordering.
19170039 NEW
Maxshine High-Rise Intake Manifold, Oval Port (not shown)
• Same as P/N 12363420
• Bright silver chrome finish with powder coated durability
• Resists discoloration from heat
• Clear top coat enhances polished aluminum look for a great appearance
• Three step Vacuum Metalizing Process: base coat, aluminum coat, and clear top coat to enhance abrasion and chemical resistance
• Offers a bright, durable, maintenance-free polished aluminum look 12363421
High-Rise CNC-Port-Matched Intake Manifold, Oval Port (not shown)
• Similar manifold design as P/N 12363420 (see above), but it is “CNC” port-matched to GMPP oval port aluminum cylinder heads
19170040 NEW
Maxshine High-Rise CNC-Port-Matched Intake Manifold, Oval Port (not shown)
• Same as P/N 12363421
• Bright silver chrome finish with powder coated durability
• Resists discoloration from heat
• Clear top coat enhances polished aluminum look for a great appearance
• Three step Vacuum Metalizing Process: base coat, aluminum coat, and clear top coat to enhance abrasion and chemical resistance
• Offers a bright, durable, maintenance-free polished aluminum look D. 12363406
Intake Manifold, Oval Port (Holley Carburetors)
• Same as manifold P/N 12363420 (see page 274), but designed for use with a Holley carburetor
• Dual-plane design requires bolt kit P/N 12367959, which includes 16 bolts (8740 chromemoly 3/8-16 x 1.5" with 3/8" hex head and 16 5/8" O.D. washers), and manifold gasket kit P/N 12366985
• Accepts air conditioning and alternator brackets and a late-model water neck
• Maxshine manifold (P/N 19170041) also available Will not fit production Corvettes, and may not fit Chevelles. Manifold carb flange height is 4.45". E . 19170041 NEW
Maxshine Intake Manifold, Oval Port (Holley Carburetors)
• Same as P/N 12363406
• Bright silver chrome finish with powder coated durability
• Resists discoloration from heat
• Clear top coat enhances polished aluminum look for a great appearance
• Three step Vacuum Metalizing Process: base coat, aluminum coat, and clear top coat to enhance abrasion and chemical resistance
• Offers a bright, durable, maintenance-free polished aluminum look F. 12363407
CNC-Port-Matched Intake Manifold, Oval Port (Holley Carburetors)
• Same as P/N 12363406 (see above), except it has been CNC port-matched for GM aluminum oval port heads with large oval port heads (1975-and-older), and all aluminum heads with oval ports
• Maxshine manifold (P/N 19170042) also available 19170042 NEW
Maxshine CNC-Port-Matched Intake Manifold, Oval Port (Holley Carburetors) (not shown)
• Same as P/N 12363407
• Bright silver chrome finish with powder coated durability
• Resists discoloration from heat
• Clear top coat enhances polished aluminum look for a great appearance
• Three step Vacuum Metalizing Process: base coat, aluminum coat, and clear top coat to enhance abrasion and chemical resistance
• Offers a bright, durable, maintenance-free polished aluminum look A. 88961161
Intake Manifold, ZZ572/620 Engine
• Aluminum single plane intake manifold is used on the ZZ572/620 engine
• The carburetor flange is for a 4150-style carburetor
• Use intake gasket P/N 88962213
• For tall-deck block 19170043 NEW
Maxshine Intake Manifold, ZZ572/620 Engine (not shown)
• Same as P/N 88961161
• Bright silver chrome finish with powder coated durability
• Resists discoloration from heat
• Clear top coat enhances polished aluminum look for a great appearance
• Three step Vacuum Metalizing Process: base coat, aluminum coat, and clear top coat to enhance abrasion and chemical resistance
• Offers a bright, durable, maintenance-free polished aluminum look B. 88962218
Intake Manifold, ZZ572/720R Engine
• Aluminum single plane intake manifold is used on the ZZ572/720R engine
• The carburetor flange is for a Dominator-style carburetor
• Use intake gasket P/N 88962213
• For tall-deck block 19170044 NEW
Maxshine Intake Manifold, ZZ572/720R Engine (not shown)
• Same as P/N 88962218
• Bright silver chrome finish with powder coated durability
• Resists discoloration from heat
• Clear top coat enhances polished aluminum look for a great appearance
• Three step Vacuum Metalizing Process: base coat, aluminum coat, and clear top coat to enhance abrasion and chemical resistance
• Offers a bright, durable, maintenance-free polished aluminum look  C. 88965829
Carburetor Spacer, Dual Plane, One-Inch
• Fully CNC’d from billet aluminum
• GM Performance Parts logo machined into front and back
• Spacer accepts Quadrajet style carburetors
D. 19155949
Carburetor Spacer, Dual Plane,Two-Inch
• Fully CNC’d from billet aluminum
• GM Performance Parts logo machined into front and back
• Spacer accepts Quadrajet style carburetors E. 88965830
Carburetor Spacer, Single Plane, One-Inch
• Fully CNC’d from billet aluminum
• GM Performance Parts logo machined into front and back F. 88965832
Carburetor Spacer, Single Plane, One-Inch, Dominator
• Fully CNC’d from billet aluminum
• GM Performance Parts logo machined into front and back G. 88965831
Carburetor Spacer, Single Plane,Two-Inch
• Fully CNC’d from billet aluminum
• GM Performance Parts logo machined into front and back H. 88966018
Carburetor Spacer, Single Plane,Two-Inch, Dominator
• Fully CNC’d from billet aluminum
• GM Performance Parts logo machined into front and back
 I. 12499249
Ram Jet Fuel Injection Kit, with MEFI-4 Electronics
• Retro-fit fuel injection kit is calibrated for a 502/502 GM engine and is the same as used on the Ram Jet 502 P/N 12499121
• May be used on other big-block applications by replacing the ECM unit with an aftermarket unit with the proper calibration
• Includes brackets, sensors, bolts, nuts, gaskets, and other small parts, including:
PART DESCRIPTION QTY
88962744
Service manual 1
12489400 Diagnostic trouble code tool 1
12490939
Lower intake manifold 1
12555320 Intake manifold oil shield 1
12366985
Gasket package 1
12367959 Bolt/screw package 1
12490505
Upper intake manifold 1
12489372 Upper intake manifold gasket 1
12487372
Fuel feed hose 1
10216948 Tube assembly–fuel press regulator 1
88961968 Engine harness assembly 1
10456208 Knock sensor 1
12489595 Bracket assembly, transmission cable 1
12489596 Bracket assembly, transmission 1 and throttle cable
12489597 Rod, throttle control 1
1104060 Distributor 2
1115491 Ignition coil 1
12464482 Lower intake manifold 1
12464484 Upper intake manifold 1
17113524 Body assembly throttle 1
12490257 Air cleaner kit 1
12569240 MAP sensor 1
25036751 Intake air temperature sensor 1
17090919 Injector assembly 8
17113222 Fuel injector retainer kit 1
17120039
Rail assembly, multi-port fuel injection 1
89060414 Fuel pressure regulator assembly 1
88962718 Module assembly engine cont. 1
15326386 Coolant temperature sensor 1  J. 12464482
Lower Manifold, 502 Ram Jet
• Aluminum lower portion of the intake manifold is used on Ram Jet 502 crate engine P/N 12499121
• Use with upper manifold P/N 12464484 (see below), upper manifold gasket P/N 12489372, and eight bolts P/N 12490255
K. 12464484
Upper Manifold, 502 Ram Jet
• Aluminum upper portion of the intake manifold is used on Ram Jet 502 crate engine P/N 12499121
• Use with lower manifold P/N 12464482 (see above), upper manifold gasket P/N 12489372, and eight bolts P/N 12490255 GM MANIFOLD ACCESSORIES & GASKETS
A. 12555320
Oil Shield
• Isolates hot engine oil from the air/fuel mixture B. 10174981
Gasket Kit, 1965–’81 Oval Port Heads
• This kit is used on all 1965–1981 oval port iron cylinder heads
• Includes two gaskets C. 12366985
Gasket, Aluminum Oval Port Heads
• Designed for big-block aluminum heads P/N 12363390, P/N 12363392 and P/N 12363399
• Use with manifold P/N 12363406, P/N 12363407, P/N 12363420, or P/N 12363421 88962213
Intake Manifold Gasket (not shown)
• Use on all big-block engines with rectangular intake port heads 396 through 572 cubic inch
• Includes two gaskets 12506106
Gasket, 454 & 502 Engines (not shown)
• Used on 454 and 502 engines; with restricted heat crossover passages
• One gasket per package; order two per engine.
D. 12367959/
Bolt Kit, Intake Manifold
• For any big-block Chevrolet engine
• Includes 16 bolts: 3/8-16 x 1.5" with wide, underhead flange with a 7/16" hex head
• Rated at 170,000 psi and will give consistent torque load
• Includes 16 hardened flat washers Four of these washers are smaller in diameter for use around the front water passages. | 
