Overview

The S&S 110” Power Package is a complete bolt-on big bore upgrade for Twin Cam engines — designed to deliver instant, reliable power without internal machining. It’s a factory-style performance solution that increases displacement and torque while retaining your engine’s original serial numbers and overall height.

Available in two finishes — black or raw machined cylinders to match your engine’s look.

Key Specifications

• Displacement: 110 cubic inches
• Bore Size: 4.000"
• Compression Ratio: 10.5:1
• Stroke Length: Stock
• Base Finish: Black or Silver (Powder-Coated Cylinders)
• Engine Compatibility: 96" & 103" Twin Cam (2007–2017)
• Installation: Bolt-on; no crankcase machining required
• Engine Height: Retains stock dimensions

Included Components

• 4.000" Big Bore Cylinder & Piston Kit (matched and pre-fit)
• S&S 585 Easy Start Camshafts
• Quickee Adjustable Pushrods
• Premium Hydraulic Tappets
• Forged TC3 Cam Support Plate & High-Flow Oil Pump
• Complete Gasket & Hardware Kit
• Cam Cover Badge

Features

• Bolt-On Installation: No case modifications or special machining required.
• Retains OEM Engine Numbers: Perfect for riders who value originality and compliance.
• Improved Oil Flow: TC3 oil pump and support plate ensure stable oil pressure and cooler operation.
• High-Performance Components: S&S 585 cam delivers strong torque throughout the rev range.
• Durable Construction: Cylinders powder-coated for long-lasting protection.
• Complete Kit: Includes everything required for installation.

Performance

Expect massive torque gains and a broad, rideable powerband — perfect for everyday street performance or long-haul touring.