Holley Low LS Drive System Kit RH w/SD7 AC Compressor Computech Systems you can increase the size

you can increase the size of the lead in chamfer with a chamfer tool

4-Bolt GM Clamshell

Use with ALL60186 and ALL60188 slider box

1971-1980 Oldsmobile Delta 88

1957-1961 Ford Fairlane

Holley Low LS Drive System Kit RH w/SD7 AC Compressor Computech Systems you can increase the sizeLow LS Accessory Drive Fits Standard, Middle, and Long accessory spacing. No installation kit is required. ***For all LS Engine Swaps Please refer to your specific body style engine mount kits for additional modification and fitment requirements. Low Mount A C brackets and systems require the use of the Sanden SD7 Compressor. Fits Standard, Middle, and Long Accessory Spacing (no installation kit required) Cost Effective Solution Also works on LSA