Twin Cam Cylinder Head Service (Currently not servicing CVO)

We offer comprehensive cylinder head service packages that are suited to capture your specific needs. Utilizing the latest in CNC technology, all cylinder heads are meticulously serviced for either performance upgrades or rebuilds.

In addition to the three tiered cylinder head service packages we offer, available options include:

Valve Springs
Valve Guide Replacement
Seats Replacement
Aftermarket Retainers
VHM Aftermarket Valves
CNC Chamber Cut
Drill for Compression Release

VHM 1.8 / STREET PORT

$999.99

This package is designed to enhance engine performance for stock-style rebuilds with up to 10.5:1 compression, addressing the limitations of factory power output. Our Street Port offers significant gains, maximizing the performance of a “streetable” bike using original cylinder head components. It is crafted to improve lower and mid-level performance without sacrificing driveability. This package includes:

CNC Porting
Head Surfacing .010″
CNC Valve Job
Port / Chamber Blending
VHM 1.805” Intake Stainless Steel Valve
VHM 1.575” Exhaust Stainless Steel Valve
VHM .600” Lift Spring Kit
Viton Valve Seals

VHM 2.4 / RACE PORT

$1,119.99

The Vance & Hines Motorsports cylinder head service package is intended for modified engines up to 113ci and 10.5:1 compression. It is designed to enhance mid and upper RPM range performance while increasing top-end power. This package includes:

CNC Porting
Head Surfacing up to .025″
CNC Valve Job
Port / Chamber Blending
VHM 1.900″ Intake Valve Installation
VHM 1.610″ Exhaust Valve Installation
VHM .600” Lift Spring Kit
Viton Valve Seals

VHM 3.6 / RACE PORT PLUS

$1,349.99

The Vance & Hines Motorsports cylinder head service package is intended for modified engines up to 117ci and above 10.6:1 compression, as well as those with power adders. It is designed to enhance mid and upper RPM range performance while increasing top-end power. This package includes:

CNC Porting
Head Surfacing up to .025″
CNC Valve Job
Port / Chamber Blending
VHM 1.900″ Intake Valve Installation
VHM 1.630″ Exhaust Valve Installation
VHM .600” Lift Spring Kit
Viton Valve Seals

VHM 4.3 / PRO PORT

$1,694.99

Designed for high-performance, heavily modified, large-displacement engines up to 131ci, this is the top-tier cylinder head service offered by Vance & Hines Motorsports. Utilizing technology developed in collaboration with many factory teams and some of racing’s most accomplished riders, this package is engineered for optimal power output for your V-Twin engine. The Pro Port cylinder head package includes: