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Ships within 48 hours · Estimated delivery Aug 9 - Aug 14
* Replacement Air Filter Element = AN-50-938
Trigger-Lock Mounting Hardware Part # MEM-MEB8977
BDL gives you 60% more friction surface area
* Top Fitting with 7/16″ x 35 Degree Banjo
* Comes with interior back
1250cc Big Bore Kit - Black. Fits Sportster 1986-2021 - S&S Cables & Hydraulic Lines * Replacement Air Filter ElementFeatures & Benefits: * Fits Sportster 1986 2021 including Sportster 2004 2021. * Will Not Fit XR1200 * Includes Black Cylinders. * Includes Flat Top Pistons. * Includes Head Gaskets. * 10. 3: 1 Compression Ratio with OEM 1200cc * No rebalancing required. * Largest bolt on kit available. Tech Tip: * Will Not Fit with stock 883cc Heads. * For the best performance CNC head porting, performance cams, exhaust & intake upgrades are recommended. * EFI re
