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This SAE Recommended Practice establishes a single bolt pattern for the No. 1 clutch housing (see Figure 1) and the No. 2 clutch housing (see Figure 2). These four bolt patterns are designated to give commonality of mounting brackets in existing frame rails. The 420 mm (16.5 in) span, pad face to pad face, allows the ease of installation in existing frame rail widths. This is also the minimum spacing which will accommodate commonly used clutches.

This SAE Standard establishes a single bolt pattern for both No. 1 and No. 2 clutch housings (see Fig. 1). This four-bolt pattern is designated to give commonality of mounting brackets in existing frame rails. The 16.5 in span, pad face to pad face, allows the ease of installation in existing frame rail widths. This is also the minimum spacing which will accommodate a 15 in two-plate clutch. The bolt pattern due to its symmetry allows reversing or inverting of brackets to attain change in vertical or horizontal positioning with fewer brackets.

This SAE Recommended Practice establishes a single bolt pattern for both No. 1 and No. 2 clutch housings (see Fig. 1). This four-bolt pattern is designated to give commonality of mounting brackets in existing frame rails. The 16.5 in span, pad face to pad face, allows the ease of installation in existing frame rail widths. This is also the minimum spacing which will accommodate a 15.5 in two-plate clutch. The bolt pattern due to its symmetry allows reversing or inverting of brackets to attain change in vertical or horizontal positioning with fewer brackets. The phi (ϕ) symbol is for the convenience of the user in locating areas where technical revisions have been made to the previous issue of the report. If the symbol is next to the report title, it indicates a complete revision of the report.

This SAE Recommended Practice is prepared as a guideline to improve and maintain the quality of remanufactured automotive products. Installation of remanufactured or rebuilt products is often an economical way to repair a vehicle even though they may not fully be equivalent to original equipment parts. Before processing any part, a remanufacturer should determine if the original design and present condition of the core are suitable for remanufacturing, so as to provide durable operation of the part as well as acceptable performance when installed in a vehicle. The remanufacturer should also carefully consider the safety aspects of the product and any recommendations of the original manufacturer related to remanufacturing or rebuilding their product.