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Ships within 48 hours · Estimated delivery Aug 7 - Aug 12
* When Increasing preload – Do NOT turn the 7/8″AF preload adjusting nut out any further than the 3rd or final preload reference line
* Replaces OEM # 40957-87
* Available in all black for 2015-2023 Road Glide
* HHI-WGCK-C02 for XL 2004-2007
With the introduction of “big wheels” to this iconic platform
+.020in. Dome Top Pistons with 10.5:1 Compression Ratio. Fits Big Twin 1984-1999. - Keith Black Pistons Engine Mounts & Jiffy Stands * When Increasing preload –Features & Benefits: * Bore = 3. 518 * Stroke = 4. 250 * Forged 4032 Alloy is an 11% silicon alloy that is formed in a forging press then fully machined * Best resistance to cracking in hi comp performance applications * Require . 001 wider piston to wall clearance. * Complete kit includes: two pistons, rings, wrist pins and clips. Tech Tips: * 10. 5: 1 Compression Ratio with 80cc Head Chamber Volume. * Follow Ring End Gap & Piston to Cylinder
