-10% Atomic LS 103mm Throttle Body

Here it is--the throttle body that was designed specifically for the MSD Atomic AirForce 103mm intake manifolds. It will work with any intake manifold that offers a 4-bolt, 103mm flange. The IAC (Idle Air Control) and TPS (Throttle Position Sensor) are not included but this throttle body can accept the OE IAC and TPS.

This mechanical throttle body features a parabolic bore that ensures smooth engagement from part- to wide-open-throttle.

Abbreviated Installation Instructions

  1. Install the TPS using the included screws
  2. Install the throttle body and seal to the intake amnifold
  3. Install the IAC motor using the included screws and Blue Loctite
  4. Plug in the TPS and IAC
  5. Install the throttle cable in the throttle cam groove and confirm smooth operation

The MSD Atomic AirForce intake manifold for LS applications does not include a throttle cable bracket. You will additionally need either the MSD 2708 LS Throttle Cable Bracket for aftermarket throttle cables or the MSD 2707 LS Throttle Cable Bracket for factory throttle cables when installing this throttle body on one of those manifolds.

Not Sure? Download these detailed instructions before ordering!

Installation Manual
MSD Atomic LS 103mm Throttle Body

Throttle Bodies
Barrels (BBL)1
StyleMulti-Point Fuel Injection
Throttle Bore Diameter (ea)103 mm
TPS Sensor IncludedNo
Also IncludedParabolic bore to eliminate Low RPM drivability issues
ApplicationAtomic AirForce LS Intake Manifolds and all LS manifolds with 4-bolt 103mm+ bore mounting flange
ColorCast Aluminum
Emission Code3 - Racing Vehicles Only
MaterialCast Aluminum
OEM ReplacementNo
Unit of SaleEach

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Atomic LS 103mm Throttle Body

  • $659.00
  • $592.95