S&S CYCLE V111 EVOLUTION CRATE ENGINE HARLEY DAVIDSON 84-99

S&S CYCLE V111 EVOLUTION CRATE ENGINE HARLEY DAVIDSON 84-99

• +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
• 4-1/8" x 4-1/8" bore and stroke | 9.8:1 compression ratio
• Made in the USA

Included with This Engine

• S&S big-fin cylinders with oil jets to cool bottom of pistons
• High volume, high-pressure (HVHP) oil pump
• S&S 3-piece flywheels
• Performance 585 cam & valve springs

Separately Required — Not Included

• Carburetor — use stock or aftermarket carburetor (not included)
• Air cleaner — use stock or aftermarket (not included)
• Ignition system — not included
• ⚠️ CONFIRM: Verify with your installer whether oil lines, primary components, or chassis hardware are required

Tuning & Ignition

• Carburetor and ignition not included — use stock or aftermarket carburetor; re-jetting likely required
• ⚠️ CONFIRM: Professional dyno tuning strongly recommended given +30% HP increase — confirm scope with your installer

Installation Scope

• Fits '84-'99 Harley-Davidson® Big Twin chassis and custom frames designed for Evolution® Big Twin engines
• Shorter than stock height — no frame modifications required
• ⚠️ CONFIRM: Professional installation strongly recommended — confirm scope with your shop

Manufacturer Warranty

• ⚠️ CONFIRM: Warranty terms not confirmed in product documentation — please verify current S&S Cycle warranty coverage before purchase

Current Lead Time

• ⚠️ CONFIRM: Lead time not confirmed — contact us before ordering to verify current availability and estimated ship date

Pre-Purchase Confirmation

Before placing your order, please confirm the following with our team:

• This engine is compatible with your '84-'99 Big Twin or custom Evolution chassis
• You have a carburetor, air cleaner, and ignition sourced (not included) and a tuning plan in place
• You have a qualified installer lined up
• You understand current lead time and warranty terms

Contact us to confirm compatibility and availability before purchasing.