#BBR-503 BB Race header for Chris Alston front clip


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Header Specs:

This header is designed for any tube size up to 2 ½” with any collector size up to 5” or our collector mufflers up to a 6” size. All tubes are inside the frame with excellent ground clearance and spark plug access. Any mini starter will fit, but a full size GM starter will not fit. Measuring from the side of a stock oil pan we have 2 ¼” of room for an oil pan sump kick out on the passenger side and on the driver side we have 1 1/8” at the pan rail and 3 ¾” of room at the bottom of the pan. The header is designed for Alston’s side motor mounts or motor plates, also a manual or power rack and pinion steering. It will fit a power brake booster and clutch linkage, but the lower linkage rod may have to be shortened or adjusted for clearance. If you are using a Lakewood style scatter shield you may have to slightly trim the outer edge of it below the starter area for clearance. This header is NOT designed for factory air conditioning or column shifter linkage.

Header Installation:

This header is usually made with individual tubes and slip on collectors for easier installation. You can usually install the header with the engine and starter and oil filter in place.
On the driver side install each tube individually from front to back. As you install each tube only snug the header bolts, do not tighten them until the collectors are installed then go back and tighten all the header bolts.
On the passenger side the sequence will be #2 then #4 then #8 and #6 last.
If your header is built as all one piece you will have to install them as the engine is being installed.
Refer to our header installation tip’s page for additional instructions.

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If you have any questions, call us at 805-239-8998

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