4-Stroke High Performance

Send in your head to be ported to gain maximum flow and horsepower. L.A. Sleeve has tested and tested and used countless hours on the flowbench, dyno and dirt to extract the maximum out of your head. Service includes complete tear down of head and inspection for any worn out parts. The head is then ported and matched with a 5-angle valve job.

Valve Job: 3 angle - 2 Valve Single Cylinder Head$124.95
Valve Job: 3 angle - 4 Valve Single Cylinder Head$174.95
Valve Job: 3 angle - 5 Valve Single Cylinder Head$200.00
Valve Job: Multi Cylinder Head - 3 angle$40ea valve
Valve Job: 5 angle Radius Race - 2 Valve Single Cyl Head$150.00
Valve Job: 5 angle Radius Race cut - Multi Valve$50ea valve
Valve Job: +1mm/2mm Oversize Radius$65ea valve
2 Valve Head Flow Port with Radius Valve Job$350.00
4 Valve Head Flow Port with Radius Valve Job (single Cylinder)$500.00
5 Valve Head Flow Port with Radius Valve Job (single cylinder)$550.00
Valve Guide: Remove, replace, resize (guide not included)$30.95ea
Valve Seat: Remove,replace, recut (seat not included)$68.25ea
Deck Cylinder head/base$60.00
Weld - repair damaged cylinder/head$50 and up