Throttle Body, Atomic LS, 90mm 4-Bolt
When you run an LS engine, performance begins with the introduction of air into the intake manifold. MSD's new 90mm LS Throttle Body answers the need for a high-quality throttle body with a mechanical throttle mechanism that bolts to most factory and aftermarket intakes. MSD went through the time and expense to develop a cast throttle body assembly in order to achieve a unique parabolic bore form. This design helps deliver excellent drivability characteristics during part throttle that typical billet straight bore throttles just can't deliver. We incorporated factory style bearings and seals on the throttle that can withstand years of use on the street or strip. *TPS and IAC not included.
  • Unique parabolic bore
  • Excellent torsional shaft stiffness for TPS Signal Stability
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Throttle Body, Atomic LS, 90mm 4-Bolt
When you run an LS engine, performance begins with the introduction of air into the intake manifold. MSD's new 90mm LS Throttle Body answers the need for a high-quality throttle body with a mechanical throttle mechanism that bolts to most factory and aftermarket intakes. MSD went through the time and expense to develop a cast throttle body assembly in order to achieve a unique parabolic bore form. This design helps deliver excellent drivability characteristics during part throttle that typical billet straight bore throttles just can't deliver. We incorporated factory style bearings and seals on the throttle that can withstand years of use on the street or strip. *TPS and IAC not included.
  • Unique parabolic bore
  • Excellent torsional shaft stiffness for TPS Signal Stability

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1Racers never stop experimenting as they search for every way to wring out more power or handling performance to to gain an edge over the competition. The team at MSD is no different as we strive to deliver the products you need to meet your performance goals. We continue to innovate and invent components and technology that deliver performance and reliability with products that are easy to use and install. Over the course of 40-plus years, MSD Performance has been driving the development of innovative components that helped shape the way our cars race and perform. From super speedways to road courses, land speed racing to top fuel dragsters, and of course your traditional hot rod, MSD has provided the components to fire nearly anything in motorsports. Early on, MSD focused squarely on ignition systems with revolutionary products like the multiple sparking CD ignition, timing and rev controls, billet aluminum distributors and the Pro-Mag, an incredible breakthrough in power and endurance. Today MSD is developing electronics for your entire powertrain. The Atomic EFI systems for the LS engine platform and throttle body are now complemented with a transmission controller. Our DynaForce Starters and Alternators ensure that your engine cranks over to fire up and the Alternators keep it charged. MSD is poised to deliver components that work and communicate together to provide performance and value.