S&S CYCLE Throttle Body - 58mm 124" 170-0338

If you're running a 124" engine and want genuine air-flow improvements without compromising reliability, the S&S CYCLE 58mm Throttle Body delivers the precision intake you need. This one-piece design bolts directly to your manifold using your existing sensors and fuel rail—no fabrication required. The sealed stainless steel shaft with dual roller bearings ensures smooth, leak-free operation that keeps your engine breathing efficiently at full throttle.

Technical Specifications:

• 58mm bore diameter
• One-piece throttle body/manifold
• Stainless steel throttle shaft
• Dual roller bearings
• Hardened steel flanges
• Sealed design—zero air leaks
• Stock sensor compatible
• Stock fuel rail compatible
• Stock throttle cable compatible
• Black powder coat finish
• Bolt-on installation
• Made in the U.S.A.
• Requires S&S Stealth air cleaner (sold separately)
• MPN: 170-0338

Note: Some S&S cylinder heads feature additional manifold surface material for stock-length manifolds on 124" engines. Verify fitment with your stock manifold before ordering if you're unsure of compatibility.