Speed Engineering 1-7/8" LS Swap Longtube Headers — 1988–1998 Chevrolet & GMC C1500 2WD GMT400 OBS Truck | 25-1137 1983-lincoln-town-car-esi2402056 and robust core provides an

and robust core provides an increase in capacity of 0

What makes this different from the standard ALL96505 shims

71 gear ratio (33-tooth ring gear

5 inches maximum outside diameter

Description_SHO Engine Adapter Description_INV Engine Adapter Description_ASC Provides external oil lines for oil coolers without relocating the factory oil filter Description_ASC Cast form high quality aluminum Description_ASC Maintain factory equivalent oil filter Description_ASC Built-in pressure relief Description_ASC Type K Low Profile Sandwich Adapter with 3/4"-16 thread size Description_ASC Includes sandwich adapter

Speed Engineering 1-7/8" LS Swap Longtube Headers — 1988–1998 Chevrolet & GMC C1500 2WD GMT400 OBS Truck | 25-1137 1983-lincoln-town-car-esi2402056 and robust core provides anBuilding an LS swap into your 2WD GMT400 OBS C1500? Speed Engineering's 1 7 8" LS swap longtube headers are specifically engineered for great fitment on the OBS platform mandrel bent, TIG welded, and CNC machined for a precise fit on the most popular classic GM truck LS conversion. Compatible with the full LS engine family from 4. 8L through 6. 2L including LS1, LS2, LS3, LS6, and LSA. Dyno proven to deliver over 25 rear wheel horsepower over stock