| Management number | 215438694 | Release Date | 2026/04/12 | List Price | $57.60 | Model Number | 215438694 | ||
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Brand new set (left & right) Chevrolet Small Block Headers Perfect for street rods and rat rods Superior quality T304 stainless steel lasts a lifetime Computer design features TIG & MIG welds Welds are back purged to ensure strength Laser cut flanges are flawless 14 gauge mandrel bent piping Brilliant show quality polish 1 5/8" large heavy duty primaries are mandrel bent for optimal flow Similar headers have 1 1/2" thin wall tubes which hurt flow 3/8" flange means a great seal that won’t warp 2 1/2" collectors creates perfect scavenging of your exhaust Increases engine power - 15+ horsepower & 20+ torque Stock motor mounts can be used Since the collector exits parallel with the oil pan rail, maximum ground clearance is achieved These are hugger header style headers that will help you to avoid many clearance problems Mid range and high end power will increase and the engine will pull harder These headers will fit very tight to the block for extra clearance These retail for $339 in magazines Big gains in horsepower (14) & torque (12) Improves fuel economy for your car Better throttle response and acceleration Beautifully polished stainless steel resists corrosion Features strong TIG welds Fits 1955 and up 265-283-305-307-327-350-383-400 Chevrolet V8 engines Installation Notes: these headers will not fit any factory application with side engine mounts including 63–82 Corvettes These headers are designed for straight plug cylinder heads You may encounter interference problems with angle plug heads Look at the pictures to see how the collectors angle They hug very close to the block These don't have a specific application so clearances will vary depending on use From the bottom edge of the head the headers come out 4 1/4" to the outside of the middle primaries
| Brand | MMI Motorsports |
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| Manufacturer | MMI Motorsports |
| Manufacturer Part Number | 000114321 |
| Is Discontinued By Manufacturer | No |
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