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Ships within 48 hours · Estimated delivery Jul 28 - Aug 2
NOTE: The M-EIGHT main sump cross port on the inside of the M-Eight engine case is in a slightly different location & height in each engine case
* Hardware included
* Check fuel tank to Air Filter Cleaner clearance particularly on rubber mounted engines
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* Crankcase venting can be achieved via two crankcase breathers
+.060in. Pistons with 8.5:1 Compression Ratio. Fits Big Twin 1941-1979 with 1200cc Engine. SS560-0420 NOTE: The M-EIGHT main sumpFeatures & Benefits: * Bore = 3. 497" * Stroke = 3. 969" * Hypereutectic Alloy is a cast 16% silicon content material. * Perfect for air cooled engines. * Low thermal expansion rate = tighter piston to cylinder clearance. * Complete kit includes: two pistons, rings, wrist pins and clips. * Replaces OEM # 22148 55C * Replaces OEM # 22148 74A Tech Tips: * Follow Ring End Gap & Piston to Cylinder Clearances as per the supplied Manufacturers Instructions.
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