S&S Cycle 310-0829 V111 Long-Block Engine - 84-99 Custom Chasis w/Alternator

Features

• Fits '84-'99 Harley-Davidson® big twin chasis and custom frames designed for Evolution® big twin engines
• +30% increase in HP and torque over stock
• Short stroke for less vibration and longer engine life
• Shorter than stock engine height for easy installation
• Does not include carb or ignition; use stock or aftermarket carburetor and air cleaner
• S&S big-fin cylinders with more fin area and exclusive oil jets to cool bottom of the pistons
• High volume, high-pressure (HVHP) oil pump
• Durable S&S 3-pc. flywheels
• Performance 585 cam & valve springs
• 4-1/8" x 4-1/8" bore and stroke
• 9.8:1 compression ratio
• Made in the USA