Description
If you’re running an 111″ engine and want measurable intake flow improvements without fabrication headaches, the S&S Cycle 58mm throttle body is the direct bolt-on solution. This one-piece design maintains stock appearance while delivering genuine performance gains—and it plays nice with your existing fuel rail, sensors, and throttle cables. You get the efficiency of a purpose-built manifold without tearing apart your engine bay.
Key Specifications:
- 58mm bore diameter
- One-piece throttle body/manifold
- Stainless steel throttle shaft
- Dual roller bearings
- Hardened steel flanges
- Black powder coat finish
- Stock sensor compatible
- Stock fuel rail compatible
- Stock throttle cable compatible
- Sealed design—zero air leaks
- Requires S&S Stealth air cleaner (sold separately)
- Made in U.S.A.
- MPN: 170-0347
Installation Note: Bolt-on design. Some S&S cylinder heads feature additional manifold surface material to accommodate stock-length manifolds on 124″ engines. Verify fitment with your stock manifold before ordering if you’re uncertain about compatibility.
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