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Ships within 48 hours · Estimated delivery Aug 1 - Aug 6
• Replaces OEM # 45005-85
* Gloss black powder coated 6061-T6 billet aluminium hub
To remove bearing use JIMS# Tool 95760-XL
Head Gaskets if n ot Reboring to 1550cc / 95in
• Includes copper
Keith Black Pistons KB297.040 +.040" Dome Top Pistons w/8.3:1 Compression Ratio for Big Twin 78-84 w/1340cc Shovelhead Engine • Replaces OEM # 45005-85Features & Benefits: * Bore = 3. 538in. * Stroke = 4. 250in. * 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. Tech Tips: * 8. 3: 1 Compression Ratio with 117cc Head Chamber Volume. * Follow Ring End Gap & Piston to Cylinder Clearances as per the supplied Manufacturers
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