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- Replaces OEM Part #JL3Z9461C/JL7Z9431 (Left Side)
- Two (2) additional mounting holes per manifold
- Two [2] additional mounting holes per manifold
- Extended studs and spacers [15mm Longer]
- Extended studs and spacers (15mm Longer)
- 16 Percent increase in flow capability
- 16% increase in flow capability
- Uniform wall thickness casting
- Gaskets and hardware included
- CARB EO No. D-553-27