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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
but not necessarily the stock performance
1 x MS-AS3521
* Replaces OEM # 41761-58B
030 Head Gaskets are not to be used in Stage 6 S&S kits
Crankcase Assembly with 3-1/2in. Bore - Natural. Fits Big Twin 1984-1991 - S&S Brake Upgrades - Front but not necessarily the stockFeatures & Benefits: * Natural Aluminium Finish. * Perfect for stock replacement & high performance applications * These crankcases offer some unique features. * Besides being machined for a crank position sensor, they are also compatible with stock flywheel assemblies, primary covers, gearcovers and are clearanced for 38 amp alternator stators. * Relocated cam chest oil pick up increases gear case scavenging & virtually eliminates oil carry over at
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