Speedmaster 1-148-053-01 Features:

Speedmaster LS dual 4-barrel, dual plane fuel injection intake manifolds allow the installation of dual throttle bodies on late model LS Series engines. The dual plane, equal-distribution layout produces great midrange torque without compromising top-end power. The manifolds feature a wide 1,500-7,000 rpm power band range and can accept dual inline throttle bodies with a 1.500 in. maximum throttle bore diameter.

• Excellent throttle response throughout the RPM range along with smooth engine operation

  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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