Header LS1 78-99 GM 2wd Truck Ceramic Coated

The Header LS1 78-99 GM 2wd Truck Ceramic Coated by SCHOENFELD is a purpose-built exhaust manifold engineered for LS-series engine swaps in second-generation full-size Chevrolet and GMC pickup trucks. This header is designed for builders and enthusiasts performing LS power plant conversions into older C10, C20, and K10/K20 chassis, where factory exhaust routing no longer accommodates the modern engine bay geometry. The ceramic coating protects against corrosion and radiant heat while maintaining the aggressive, functional aesthetic that separates properly built performance trucks from cosmetic restorations.

Constructed from high-quality steel with a durable silver ceramic thermal coating, this header features 1.75-inch primary tubes that optimize scavenging for LS1 small-block displacement while tapering into a 3-inch collector designed for smooth exhaust gas transitions into your secondary piping. The ceramic finish reduces underhood temperatures by reflecting radiant heat away from engine bay components—critical when retrofitting a modern mill into confined 1978–1999 truck chassis where clearance around intake manifolds, alternators, and power steering pumps is already tight. Each unit ships complete with gaskets and mounting hardware, eliminating sourcing delays and ensuring proper sealing on the cylinder head flange. The 32.3-pound weight reflects the robust tube wall thickness required for LS applications that demand both flow capacity and structural integrity under sustained boost or high-RPM operation.

This header is ideal for street and strip builders who are converting 2wd GM trucks with LS1 engines and cannot use OEM manifolds due to chassis geometry constraints. Installation requires basic mechanical skill and socket set access; ensure exhaust clearance from transmission crossmember, fuel lines, and brake components before final torque specification. The ceramic coating withstands extended heat cycles typical of tuned LS power plants, providing corrosion resistance that bare steel cannot match in climates with salt exposure or high-humidity storage. Compatible with both naturally aspirated and forced-induction LS1 platforms, this header integrates seamlessly into custom exhaust systems running dual pipes, turbo manifolds, or supercharger configurations—making it a foundational component in any serious LS swap build targeting reliable, long-term performance.