1934-36 SR 40 – 233	1936 SR 60,80,90 – 320	1937-52 SR 50 – 248, 263	1937-52 SR 60, 70, 80, 90 – 320
1937-53 SR 40 – 248, 263

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Basic Overhaul Kit 34-36 233	Basic Overhaul Kit 37-38 248	Basic Overhaul Kit 37-52 320	Basic Overhaul Kit 39-53 248, 263
BMD cam bearing set	BMD Cam bearing set 36 only	BMD Cam gear	BMD Cam gear34-36 233
BMD Crank gear (exc 37-38 320	BMD Crank gear 34-36 233	BMD Main brg set 37-38 248 (exch only)	BMD Main brg set 39-50 248
BMD Main brg set 50-53 263	BMD Oil pump kit	BMD Oil Pump Kit	BMD Overhaul gasket set 233
BMD Overhaul gasket set 248,263	BMD overhaul gasket set 320	BMD Piston 233 Improved Design	BMD Piston 320 (37 Improved Design0
BMD Piston 37 248 Improved Design	BMD Piston 38-53 248,263	BMD Ring set 263 cu. In	BMD Rod bearing
BMD Timing chain (exc 50-52 320)	BMD Timing chain 233	BMD Timing chain 50-52 320	Cam shaft (exch only)
cam shaft (exch only)	Conecting rod (specify size, exch only)	Connecting rod, babbitted (exch only)	Connecting rod, convt to insert brg (exch only)

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