S&S, 65-69 crankcase assembly, STD bore. Natural

66-69 Early Shovelhead; 1965 Panhead with aluminum primary (NU)

For use with an aluminum primary housing. S&S Superstock™ crankcases, made from 356-T6 aluminum, are much stronger than the OEM case. OEM cases can/may break in high performance or even stock applications, like more than a few of us found out the hard way. These S&S Superstock™ cases can be used for both stock replacement and racing applications. Important to the engine builder are the substantial savings in labor when using S&S cases. These cases come 'set up' with sprocket shaft Timken main bearing races and cam needle bearings installed and pinion shaft main bearing race pressed in and line-honed. Additional parts that are supplied include Timken sprocket shaft bearings, cylinder studs, nickel plated case bolts, crankcase fittings, oil pressure sensor, timing & magnetic crankcase drain plugs and a special S&S design alternator stator plug clamp screw. The flywheel scrapers are machined to match the original 8-1/2" diameter flywheels. S&S cases maximize crankcase oil scavenging efficiency by using a 'ported' design breather passageway. S&S cases are clearanced up to and including 5", no additional clearancing for strokers will be necessary. S&S cases come complete with assembly instructions. Note: The 36-69 S&S oil pump (MCS 519922) can be used with all 36-69 S&S crankcases. Note: In any and all applications the technician must be able to judge components for their suitability in combination with the other engine components, prior to installation. It is of importance that a knowledgeable mechanic will install & make adjustments as required.