Top Street Performance LS1 LS6 5.7 346 EFI Intake Manifold Cathedral Port Single Plane for Chevy - Black

★★★★★ 4.7 34 reviews

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Management number 231545310 Release Date 2026/06/18 List Price $12.00 Model Number 231545310
Category

Built for upgraded induction performance, this intake manifold supports improved airflow characteristics and stable fuel delivery for GM LS Series applications using properly matched carburetor or EFI configurations.Airflow & Performance DesignThe intake runner and plenum design help support balanced airflow delivery between cylinders while maintaining stable throttle response and dependable street-driven performance.Construction & Engine-Bay FitmentThe manifold construction to support long-term durability, heat management, and a clean installed appearance in demanding engine-bay environments.Installation ConsiderationsProper installation requires confirming cylinder head compatibility, intake gasket alignment, carburetor or throttle-body configuration, distributor clearance, and hood clearance before final assembly.System MatchingVerify fuel system compatibility, throttle linkage setup, vacuum routing, sensor provisions, and accessory clearance before installation. This intake manifold is intended for properly matched engine combinations.COMPATIBLE WITH:CHEVROLET SMALL BLOCK V8 GEN. III (LS BASED) 5.7 L / 346 in3COMMON VEHICLE APPLICATIONS:Chevrolet SilveradoGMC SierraChevrolet CamaroChevrolet CorvetteChevrolet TahoeCTS-VSPECIFICATIONS:Basic Operating RPM Range: 2,500-7,000 RPMCarburetor Flange Style: 4150 Square BoreCarburetor Quantity: 1Center Maximum Height: 5.417 in.Color: BlackDeck Height: StandardEGR Port: NoFront Maximum Height: 5.417 in.Fuel Injection Style: Multi-port Fuel InjectionFuel Injector Stye Provision: EV1Fuel Rail Color: BlackFuel Rail Fitting Thread Diameter: -8 ANFuel Rail Material: AluminumFuel Rails Included: YesFuel System Type: Electronic Fuel InjectionGasket Or Seal Included: Yes

  • Compatible with GM Gen III LS Cathedral Port engines
  • Features a single plane design
  • Composed of aluminum for light weight and improved heat management
ASIN B0F66PC5BG
Brand Top Street Performance
Model 81137BK
Exterior Black
Item Weight 25 pounds
Manufacturer Top Street Performance
Item model number 81137BK
Package Dimensions 22 x 15 x 8 inches
Manufacturer Part Number 81137BK

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4.7 out of 5
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