The aFe Silver Bullet Throttle Body Spacer (TBS), part number 46-33001, is an aftermarket throttle body spacer for Ford F-150 trucks with the 4.6L V8 (1997-2010) and the 5.4L V8 (1997-2003). It is sold as part of aFe's Silver Bullet line of performance intake products. Shoppers comparing throttle body spacers for a Ford F-150 V8 should confirm the exact model year and engine code against the fitment listed here before ordering.
Ford F-150 owners searching for a 4.6L or 5.4L throttle body spacer, aFe Silver Bullet TBS, or 46-33001 throttle body spacer install can use this part as a bolt-on upgrade to the factory throttle body mounting. Full performance claims, specifications, and installation steps for this part are being verified against the manufacturer's documentation, so please check back for complete details.