S&S CYCLE 0912-0640 106-3709A Replacement Ring Set for S&S Pistons - Replacement Piston Rings - 3.927" - Standard CVO ** Our Digital Gauge Clamp

** Our Digital Gauge Clamp will fit with the new KOSO D2 Gauge for all models including baggers

Matching driver backrests and trunk-mounted passenger backrest for RT model available separately

Designed for big bore applications

Built-in stinger cone directs air smoothly into the bore of the carburetor or EFI throttle body and reduces turbulence and increases flow

Designed for the taller rider who needs more room to move back

S&S CYCLE 0912-0640 106-3709A Replacement Ring Set for S&S Pistons - Replacement Piston Rings - 3.927" - Standard CVO ** Our Digital Gauge ClampNote: Fits S&S Pistons only Features Replacement ring sets for S&S pistons only Rings come as sets for two pistons Made in the USA Specs Product Name Piston Ring Type Replacement Bore Size 3. 927" Piston Size Standard Units Set Riding Style Street