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2018 BMW 420d 2
AF815-16-10BLK
a bolt upgrade to Custom Age 625 material is available for all Callies I-Beams
rpm at the end of a run
350" stainless steel Exhaust Valve
Standard Main Jet #41 HO122-41 Flathead 2018 BMW 420d 2Standard Main Jet #411 4 32" Thread, . 041" Hole Size (Pair) HO122 41 122 41 These metering orifices control fuel flow into the metering system. They are rated in flow capacity "cubic centimetres per minute" and are changeable for tuning purposes. The shape of the entry, exit, and size determines flow. All Holley Main Jets are flow tested and then stamped with the correct number.
US$ 54.99
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US$ 24.99
