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or F20b to Coil-On-Plug using K-series coils
Easy to use adjustment screw
This combination of stringent material selection
Fitting: Y1 S1
B Series B18 B20 Tri-Y Big Tube Header Drivetrain Components click here to view*All headers and large exhaust items may be subject to additional shipping charges* The header that started it all! PLM B Series Tri Y Big Tube Header has been one of our best selling best performing headers for over 15+ years. PLM Private Label Mfg. B Series Tri Y Big Tube B20 header features a true step up exhaust header design, delivering low to mid range power while utilizing a two piece slip fit design. This header is a long tube design for