•Block Hugger Headers are designed specifically for use with street rods using GM's hot LS1 family of engines.
Strong torque multiplication in an engine's street operation range is from idle (800 RPM) to around 3500 RPM.
•1 5/8" Mandrel-bent, tuned-length primaries for decreased back pressure and increased exhaust velocity improving HP, torque & throttle response
•2.5" Collector at 3-bolt flange for easy exhaust installation
•3/8" thick machined head flanges for perfect sealing surface
•Lightweight 18 gauge mild steel tubing for strength and reliability.
•Tight-tuck tube design for fit with narrow frames
•Collector exit is parallel with oil pan for maximum ground clearance
•Collectors are positioned for maximum starter and engine mount clearance
•Industry's best welds for durability
Includes all necessary hardware & gaskets for a simple installation
These Will Not work with Factory Plug Wires and you will need to run a header plug on a few of them
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Expired on: 05/24/2016