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BDL gives you 60% more friction surface area
double disc-parallel ground to assure perfect parallel flatness and heat treated to each specific application
For all Scorpion hubs except 1971-’83 Ironhead Sportster
* Replaces OEM # 46605-06 & 48745-08
+.030in. Flat Top Pistons with 8.6:1 Compression Ratio. Fits Big Twin 1984-1999 with Evo Engine. - Keith Black Pistons Honda BDL gives you 60% moreFeatures & Benefits: * Bore = 3. 528 * Stroke = 4. 250 * 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 # 21944 83 Tech Tips: * 8. 6: 1 Compression Ratio with 80cc Head Chamber Volume. * Follow Ring End Gap & Piston to Cylinder Clearances as per the
US$ 22.95
US$ 35.96
US$ 38.96
