These headers are made exclusively for LOJ Conversions by renowned header manufacturer Kooks! You simply will not find a finer quality header anywhere!
LOJ Conversions M35 / M45 LS Swap Headers are constructed of 100% USA Sourced T304 Aircraft Quality Stainless Steel, with mandrel bent 1.875” ID primaries and 3” collectors. The flanges are 3/8" thick laser cut stainless steel. The headers are TIG welded at the flanges, the inside of the ports are hand ground for maximum flow, and the flanges are machined flat after welding is complete.
The collectors feature full flow construction with internal scavenging spikes for maximum performance. The headers include new gaskets and bolts for attachment to your cylinder heads. These headers are custom made for the M35 / M45 engine bay and are designed to fit perfectly when using the LOJ Conversions M35 / M45 Engine Swap Kits!! Absolutely NO modifications to your car are required to fit these headers when using our swap kit!
These headers carry a LIFETIME WARRANTY to the original purchaser covered by Kooks.