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LS accessory drives for 1955-1957 Chevy swaps. The tri five guide says most OEM accessory drives can be used, but a low mounted LS A/C compressor hits the frame, so A/C has to sit on top of the engine. BRP lists High Mount A/C drives with the compressor and alternator and power steering drives, each for Short, Medium and Long balancers.
Read the 1955-1957 Chevy LS install guide for pan and steering clearance. Mounts, the crossmember and headers are on the 1955-1957 Chevy LS page.
Each drive name ends in its balancer length. Measure or look up the balancer on your engine, then pick the matching drive.
Notes from the BRP 1955-1957 Chevy LS install guide. Drive details come from the product names.
The tri five guide says most OEM accessory drives can be used. The exception is a low mount A/C compressor, which will not clear the frame.
Mount the compressor up top. The High Mount A/C drives on this page include a compressor.
Yes. The guide names the BRP Moroso high clearance pan or a trimmed LH8 pan, then a drag link clearance check.
Go by the balancer on your engine. BRP does not publish an engine list for each length.
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