GM INTAKE MANIFOLDS

A. 88894339
LS6 Intake Manifold
• Gen III fuel injected nylon manifold used on the 2001–2004 LS6 Corvette engine
• Supplied with the intake manifold seal P/N 12560251, gasket
P/N 12533587, throttle body seal P/N 12552542, MAP sensor
P/N 16212460, and MAP sensor seal P/N 16194007

B. 88958675
LS2 4-Barrel Intake Manifold
• Allows you to install a four-barrel carburetor on a LS Series engine with cathedral ports (LS1, LS6, LS2)
• Cast aluminum open-plenum intake manifold accepts a 4150-style square-bore carburetor
• Bosses for EFI injectors for custom applications
• Bolts and instructions supplied An ignition driver is required.

25534394 NEW
LS7 4-Barrel Intake Manifold (not shown)
• GM Racing design for use on LS7 heads
• As-cast design requires no porting for maximum performance
• Includes mounting bolts and instructions
• Requires aftermarket gasket
• Machined for 4150-style carburetors and has 3/8" NPT vacuum boss An ignition driver is required.

25534401 NEW
L76/L92 4-Barrel Intake Manifold (not shown)
• GM Racing design for use on “as-cast” rectangle port Gen IV cylinder heads
• As-cast design requires no porting for maximum performance
• Includes mounting bolts and instructions
• Requires aftermarket gasket
• Machined for 4150-style carburetors and has 3/8" NPT vacuum boss An ignition driver is required.

C. 88965830
Carburetor Spacer, Single Plane, One-Inch
• Fully CNC’d from billet aluminum
• GM Performance Parts logo machined into front and back

D. 88965831
Carburetor Spacer, Single Plane,Two-Inch
• Fully CNC’d from billet aluminum
• GM Performance Parts logo machined into front and back

E. 88958679
LS Front Distributor Drive Cover
• Assembly is manufactured for applications where a 4-barrel carburetor and distributor are required
• Can be combined with GM’s new Bowtie valve covers
P/N 25534398 and P/N 25534399 for a complete traditional looking engine package
Distributor and mechanical fuel pump not included. Uses small-block Ford style distributor and mechanical fuel pump.

12568976 NEW
LS7 Production Intake Manifold Assembly (not shown)
• Gen IV fuel injection nylon manifold used on the 2006–2007 Corvette Z06 LS7 engine
• Fully assembled with injectors, fuel rail, 90mm ETC throttle body and gaskets
• For use only with LS7 cylinder heads P/N 12578449 and 25534428

12590123 NEW
L76 Production Car Intake Manifold Assembly (not shown)
• Gen IV fuel injection nylon manifold used on the 2007 Australian Holden L76 car engine
• Fully assembled with injectors, fuel rail, 90mm ETC throttle body and gaskets
• For use only with L92/L76 cylinder heads P/N 12582713