This powerful manifold is designed for the popular Chevrolet LS1 5.7L small-block V8 originally used in 1997-Up Corvette and 1998-2002 Camaro/Firebird. It also fits the Corvette LS6 and Gen III LR4 4.8L, LM7 5.3L, and LQ4 6.0L engines. For maximum power and a broad torque curve from 1500-6500 RPM, this manifold allows the use of a carburetor on these originally computer-controlled engines. It made 410 HP and 418 ft/lbs TQ in dyno tests with camshaft 350-2215 and carburetor 350-1413.

Installation Notes

• Port Exit Dimensions: .98" Wide x 2.72" Tall
• Uses LS1/LS6-style individual port O-ring seals
• Recommended intake gasket; 555-210800
• Manifold Height: (A) 4.50" , (B) 5.40"; Carb pad height: 4.95"
• View Manifold 'A/B' Measurement Guide.
• Intake manifold only
• Use with 350-8029 throttle cable/transmission kickdown cable bracket compatible with TH350, 200R-4 & TH700R-4 transmissions
• LS1(24x) applications can be identified by the rear mounted cam position sensor that is black in color
• LS2(58x)applications can be identified by the timing cover mounted cam position sensor that is grey in color

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

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