Core Shifter short throw base for stock stick : 1993-2007 GM Silverado & Sierra C/K 1500 truck

Short throw shifter base for OE replacement on 5 speed manual trans in: 1993-1999 Chevrolet & GMC C/K 1500 full-size trucks - except diesel Also fits C/K 2500 w/ GVWR below 8500 lb - except diesel Does NOT FIT optional HD trans (RPO MT8, cast iron case) 1999-2006 Chevrolet Silverado & GMC Sierra 1500 series trucks 2007 Chevrolet Silverado & GMC Sierra "Classic" 1500 series trucks ONLY FITS NV3500 manual trans specific to these models & years - NO EARLIER! Does NOT FIT HD trans (cast iron case), diesel or 2500 HD (GVWR > 8500 lb), older models, S10, or any other model; NOT for custom use WARNING: DOES NOT FIT earlier model years! Base configured for transmission receptacle height of 1/4" as original to these models Replaces GM #12375021; 12380394; 12470372; 12382846; 27963, 12382863; 12382852; 27874 IF your transmission has been serviced, it MAY REQUIRE A DIFFERENT BASE. If you install the wrong one it will not work properly and could cause damage. To confirm height, remove shifter base and measure transmission as shown in last pic ~stock knob height, 30% throw reduction BASE ONLY - FOR USE WITH STOCK STICK - STICK not INCLUDED!! Kit includes base assembly w/ lower pivot cup, mounting hardware, and installation instructions. The base is built by Core Shifters using parts from Hurst suppliers inside a custom housing: High-strength billet steel gear selector stub Hardened steel cross-pin & stainless steel fulcrum pivot ring Self-centering cross-gate bias springs with heat treated spring seats Glass-reinforced polyamide fulcrum socket with steel wear clips Rubber oil control seal with steel retaining ring Extruded aluminum housing with Spirolox steel support ring CNC-machined billet aluminum base Laser-cut steel lid