Showing 1–12 of 971 results
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$1,903 $1,712.70
Features & Benefits:-* Will Not Fit XR1200* Includes silver cylinders. * Includes MLS Head Gaskets, Base Gaskets & Exhaust Gaskets.* Includes assembly lube & instructions.* No machining & No rebalancing.* No cylinder head modifications.* The dished piston dome keeps compression down to a streetable 9.4:1 with stock 883cc heads.Tech Tip:-* For the best performance CNC…
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$1,903 $1,712.70
Features & Benefits:-* Will Not Fit XR1200* Includes Black Cylinders.* Includes MLS Head Gaskets, Base Gaskets & Exhaust Gaskets. * Includes Assembly lube & Instructions.* No machining & No re-balancing.* No cylinder head modifications.* The dished piston dome keeps compression down to a streetable 9.4:1 with stock 883cc heads.Tech Tip:-* For the best performance CNC…
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$2,138 $1,924.20
Features & Benefits:-* Includes 3cc Dome Forged Pistons.* Includes 0.045in. Head Gaskets.* 3.937in. Bore.* 4-3/8in. Stroke.* 10.5:1 Compression Ratio with Stock 85cc Heads.* 10.1:1 Compression Ratio with S&S 89cc Heads # SS106-3255Tech Tips:-* Use Care during assembly to avoid damage to Cylinder Spigots.* Ring gaps must be checked & Recorded by the assembling Technician.* Piston…
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$2,138 $1,924.20
Features & Benefits:-* Includes 3cc Dome Forged Pistons.* Includes 0.045in. Head Gaskets.* 3.937in. Bore. * 4-3/8in. Stroke.* 10.5:1 Compression Ratio with Stock 85cc Heads.* 10.1:1 Compression Ratio with S&S 89cc Heads # SS106-3240.Tech Tips:-* Use Care during assembly to avoid damage to Cylinder Spigots.* Ring gaps must be checked & Recorded by the assembling Technician.*…
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$1,813 $1,631.70
S&S has been building big bore kits since the 60s and has it down to an absolute science. Our latest efforts are aimed at the Milwaukee Eight® platform and open up a whole new level of performance for these engines. Combining a new design forged piston with their 4.25in. cylinders to net a tire melting…
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$2,700 $2,430
Features & Benefits:-* Upgrades Milwaukee-Eight 114ci & non-CVO 117ci to 132ci * 4.320in. Bore* 4.500in. Stroke (4-1/2in.)* Forged Pistons.* 11.1 Compression Ratio.* Wrinkle Black Finish.* With Highlighted Fins.* Bolt-on Kit.* No Crankcase Machining Required.* Includes Gaskets & Hardware.* Includes Cam Cover BadgeTech Tips:-* Will Not Fit 107ci Models.* Use Care during assembly to avoid damage…
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$2,619 $2,357.10
Features & Benefits:-* Upgrades Milwaukee-Eight 114ci & non-CVO 117ci to 132ci * 4.320in. Bore.* 4.500in. Stroke (4-1/2in.).* Forged Pistons.* 11.1 Compression Ratio.* Wrinkle Black Finish.* Without Highlighted Fins (Typically FXFB).* Bolt-on Kit.* No Crankcase Machining Required.* Includes Gaskets & Hardware.* Includes Cam Cover BadgeTech Tips:-* Will Not Fit 107ci Models.* Use Care during assemblyto avoid…
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$2,612 $2,350.80
Features & Benefits:-* Upgrades Milwaukee-Eight 107ci to 129ci.* 4.320in. Bore.* 4.375in. Stroke (4-3/8in.).* Forged Pistons.* 11.1 Compression Ratio.* Wrinkle Black Finish.* With Highlighted Fins.* Bolt-on Kit.* No Crankcase Machining Required.* Includes Gaskets & Hardware.* Includes Cam Cover BadgeTech Tips:-* Will Not Fit 114ci Models.* Use Care during assembly to avoid damage to Cylinder Spigots.* Ring…
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$2,619 $2,357.10
Features & Benefits:-* Upgrades Milwaukee-Eight 107ci to 124ci. * 4.320in. Bore.* 4.375in. Stroke (4-3/8in.).* Forged Pistons.* 11.1 Compression Ratio.* Wrinkle Black Finish.* Without Highlighted Fins (Typically FXBB, FLSL & FXFB).* Bolt-on Kit.* No Crankcase Machining Required.* Includes Gaskets & Hardware.* Includes Cam Cover BadgeTech Tips:-* Will Not Fit 114ci Models.* Use Care during assembly to…
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$2,159 $1,943.10
Features & Benefits:-* Includes 10cc Dome Forged Pistons.* Includes 0.045in. Head Gaskets.* 3.937in. Bore.* 4in. Stroke.* 10.3:1 Compression Ratio with Stock 85cc Heads.* 9.9:1 Compression Ratio with S&S 89cc Heads # SS106-4270.Tech Tips:-* Will Not Fit with S&S 79cc Heads.Proudly Made in the USA by S&S Cycle !
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$2,203 $1,982.70
Features & Benefits:-* Includes 10cc Dome Forged Pistons.* Includes 0.045in. Head Gaskets.* 3.937in. Bore * 4in. Stroke* 10.3:1 Compression Ratio with Stock 85cc Heads.* 9.9:1 Compression Ratio with S&S 89cc Heads # SS90-1106.Tech Tips:-* Will Not Fit with S&S 79cc Heads.Proudly Made in the USA by S&S Cycle !
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$1,700 $1,530
Features & 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 &…