This single plane EFI intake manifold fits GM LS Gen III engines with LS7 cylinder heads, with a minimum carb-flange height for tight hood clearance and cast aluminum construction suited to centrifugal blower, turbo, or nitrous power-adder applications.
Specifications:
- Engine: GM LS7 (fits all GM LS Gen III engines with LS7 cylinder heads)
- Basic Operating RPM Range: 2,500-7,000
- Flange Style: 4150 Square Bore
- Finish: Black
- Construction: Cast Aluminum
- Recommended Use: Forced Induction
- Vacuum Ports: Yes
- Height (front): 5.417"
- Port Size: 2.33" H x 1.27" W
- Weight: 11.5 lbs
- Includes: Fuel rails, mounting hardware, FKM O-ring cylinder head gaskets
- Injector Compatibility: Bosch Style EV-1 or GM OE LS7
- Part Number: 300-269BK
FAQ
What engines does the 300-269BK fit?
All GM LS Gen III engines equipped with LS7 cylinder heads.
What's included in the kit?
Fuel rails, mounting hardware, and O-ring cylinder head mounting flange gaskets.
What's this manifold good for?
Centrifugal blower, turbocharged, or mild nitrous power-adder applications, with a minimum carb flange height for tighter hood clearance.

