Keith Black Pistons KB264.010 +.010" Flat Top Pistons w/9.0:1 Compression Ratio for Sportster 86-21 w/1200cc Engine/Sportster 86-87 w/1100cc Engine Features & Benefits:-* 7/8in

Features & Benefits:-* 7/8in

D3O® armour comes pre-fitted to the hips and knees

• Quick pocket

• AquaSeal+ Waterproof and Breathable Reinforcement Panels

* Fits 2007-2016 FLH & Trike

Keith Black Pistons KB264.010 +.010" Flat Top Pistons w/9.0:1 Compression Ratio for Sportster 86-21 w/1200cc Engine/Sportster 86-87 w/1100cc Engine Features & Benefits:-* 7/8inFeatures & Benefits: * Bore = 3. 508in. * Stroke = 3. 812in. * 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 # 22216 88A Tech Tips: * 9. 0: 1 Compression Ratio with 69cc Head Chamber Volume. * Follow Ring End Gap & Piston to Cylinder Clearances as per the