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Top Street Performance

GM LS Cathedral Port V Series Billet Aluminum Mid-Rise Intake Manifold - Natural

GM LS Cathedral Port V Series Billet Aluminum Mid-Rise Intake Manifold - Natural

SKU: SKU: 81407

Regular price $3,648.44
Sale price $3,648.44 Regular price $4,145.95
Shipping calculated at checkout.

In stock

Top Street Performance (TSP) is committed to providing high-quality performance parts while complying with emissions regulations. This product is designed for use on vehicles that comply with federal emissions regulations. It is the customer’s responsibility to verify that this part is legal for use in their state or local jurisdiction. Check with your local emissions authority before purchasing.

Product Details

Features

  • Fits GM LS Gen III Cathedral Port engines
  • Unique billet aluminum design
  • Modular design for improved maintenance and installation
  • Runner design improves airflow and performance

Description

TSP's V Series intake and fuel rail set-up is 2025's hot new item. Fresh off its award-winning turn at the 2024 SEMA Show, this billet aluminum kit features a beautiful aesthetic to turn heads, brilliant design to boost your engine's performance, and a modular design for easy installation and maintenance. Dress up your LS power plant with this one-of-a-kind set-up.

Specs

Center Maximum Height 10.550 in.
Color Silver
Deck Height Standard
Front Maximum Height 10.086 in.
Gasket Or Seal Included Yes
Grade Type Performance
Material Aluminum
Mounting Hole Quantity 10
Rear Maximum Height 8.933 in.
Single Or Dual Plane Type Single Plane
Basic Operating RPM Range 1,500-9,000 RPM
EGR Port Yes
Fuel Injection Style Multi-port Fuel Injection
Fuel Injector Stye Provision EV1
Fuel Rail Color Silver
Fuel Rail Finish Natural
Fuel Rail Fitting Thread Diameter -10 AN
Fuel Rail Material Aluminum
Fuel Rails Included Yes
Fuel System Type Electronic Fuel Injection
Intake Port Shape Cathedral
Manifold Absolute Pressure Sensor Port Included Yes
Manifold Absolute Pressure Sensor Port Style Gen IV 3-bar
Manifold Finish Natural
Mounting Hardware Included Yes
Plenum Thickness 8 mm
Removable Runners Yes
Removable Throttle Body Flange Yes
Removable Top Yes
Runner Length 4.800 in.
Supplemental Boss Quantity 2
Throttle Body Bore Size 102.200 mm

Fitment

COMPATIBLE WITH
CHEVROLET SMALL BLOCK V8 GEN. III (LS BASED)
• 4.8 L / 293 in3
• 5.3 L / 325 in3
• 5.7 L / 346 in3
• 6.0 L / 364 in3

Emissions Notice

This Top Street Performance (TSP) product is designed for racing and off-road competition use only. It is not legal for use on public roads or emissions-controlled vehicles and does not comply with federal, state, or local emissions regulations. The buyer assumes all responsibility for legal use and installation.