DRAG SPECIALTIES Replacement Cylinders for XL Evolution-Style Motors — 1200 cc, 3.498 in bore, 3-13/16 in stroke, aluminum – 86-03 Sportster

Replacement cylinders engineered for XL Evolution‑style motors deliver dependable, serviceable performance. 🔧

These cylinders feature ductile cast‑iron sleeves installed in aluminum castings. The sleeve has external ribs that lock the sleeve to the aluminum casting so it cannot move, making them an excellent stock replacement. Cylinders are finished slightly undersized so they may be finish‑honed to fit your pistons.

• Ductile cast‑iron sleeves in aluminum castings
• External ribs lock the sleeve to the casting
• Excellent for stock replacement
• Finished undersize for final honing

Use a qualified machinist for installation and honing to ensure proper fit and long service life. 🙂