Max Power Head Work Pricing Guide

Max Power offers a full line of cylinder head modifications as well as head porting services.

Please check out our examples (click on items):
Yamaha YFZ 450R Cylinder Head Porting Modification
Yamaha YFZ450R Cylinder Head Porting Modifications - Bare Cylinder

For any questions:

E-mail us 24/7

techupdates@maxpower-engines.com

or Call (608) 224-2524

Mon-Thur 7:30am - 5:30pm CST

Valve Job: Single Cylinder 2 Valve Head	$100
Valve Job: Single Cylinder Multi Valve head	$175
Valve Job: Per Hole(Bare Head)	$45
Install +1 mm O.S. valve - Per Hole	$50
Install +2 mm O.S. valve - Per Hole	$75
Install Valve Seat (Std. valve - Includes valve job)	$75
Install Valve Seat (O.S. valve - Includes valve Job)	$100
Install valve guide - each	$40
Sink and hone guides for high lift camshaft - each	$25
Mill Head gasket surface	Call for price
Porting: Single Cylinder 2 valve head	$400
Porting: Yamaha Raptor 250 2 valve head	$450
Porting: Single cylinder 4 valve head	$450
Porting: Single cylinder 5 valve head	$475
Unshroud combustion chamber for oversize valves	$100
Remove broken studs or bolts	Call for price

Above porting prices apply to most common metric heads. Additional charges apply to heads requiring special machining and porting. Porting prices include porting for application and a performance valve job. Parts not included. Prices subject to change. Call or e-mail us for recommendations for your application.