HARLEY - DAVIDSON HIGH PERFORMANCE CYLINDER HEAD DESIGN AND ENGINE MODIFICATION SHOP
CYLINDER HEADS

JET heads - cylinder heads - hearley heads - shrink port - CNC

 

Johnson Engine Technology, Inc.™

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J.E.T. Cylinder Heads

 

EVOLUTION ( EVO ) HEADS

WORK DESCRIPTIONS

J.E.T. Labor#

Cost

J.E.T. 9.3:1 Compression Ratio

Welded, CNC ported, radius valve job and swirl polished intake valves, decked for 10:1 or 9.3:1 compression ratios, and completely assembled with high-performance valve springs

BCH.600

800.00

J.E.T. 10:1 Compression Ratio

Welded, CNC ported intake and exhaust ports with a CNC relieved combustion chamber, radius valve job and swirl polished intake valves, set up for .580" lift, and completely assembled with high-performance valve springs

BCH.601

915.00

J.E.T. Big Bore Evolution Cylinder Heads, Designed for Large Displacement EVO Engines

Welded, CNC ported intake and exhaust ports, welded with a CNC relieved combustion chamber, radius valve job and your reconditioned intake valves installed and heads completely assembled

BCH.602

975.00

J.E.T. CVN S&S Cylinder Head. Designed for S&S style motors

Welded and CNC ported intake and exhaust ports, welded and CNC relieved combustion chamber, radius valve job and your reconditioned intake valves installedand heads assembled

BCH.603

1500.00

 

SPORTSTER CYLINDER HEADS

J.E.T. 1200 Sportster Head

Welded, CNC ported intake and exhaust ports , radius valve job swirl polished intake valves, completely assembled with high-performance valve springs set for max valve lift of .555"

SCH.604

1000.00

J.E.T. 1200S or Buell Lightening Cylinder Head Work

Welded, CNC ported intake and exhaust ports , radius valve job swirl polished intake valves, completely assembled with high-performance valve springs set for max valve lift of .555"

SCH.605

1035.00

J.E.T. 883-1200 Conversion Head

Welded, CNC ported intake and exhaust ports, radius valve job and 883-1200 conversion valves, completely assembled with high-performance valve springs set for max valve lift of .555"

SCH.606

1145.00

TWIN CAM ( TC ) CYLINDER HEADS

J.E.T. Twin Cam Heads

Welded intake port, CNC ported, radius valve job and swirl polished intake valves, decked for 10.1 or 9.3:1 compression ratios, completely assembled with high-performance valve springs

TCH.607

700.00

J.E.T. Twin Cam Heads for 106cu"

Welded intake port, CNC ported, radius valve job, decked for 9.5:1 compression, shrink ported intake, and a shallow hemispherical combustion chamber.

TCH.608

810.00

TC head modification to 1/2 13" breather

TCHL.609

75.00

GENERAL CYLINDER HEAD LABOR

LABOR

J.E.T. Labor #

Cost

883-1200 Conversion (boring seats)

CHL.621

350.00

Bead blast cylinder heads

CHL.622

hourly rate (75/hr)

Deck cylinder heads

CHL.623

65.00

Install and size valve guides (each)

CHL.624

15.00

Install valve seat

CHL.625

60.00

Modify cylinder heads for .580", with CNC relieved combustion chamber and valve job

CHL.626

225.00

Valve job for Big Twins, Evolution, Twin Cam, and Sportster

CHL.627

145.00

Paint Heads

CHL.628

110.00

 

Prices are based on customer provided heads in good condition.  Previous modifications may eliminate ability to satisfactorily modify heads, or may incur higher cost.  Modifications of street driven motorcycles may be illegal in your area.  It is the customer's responsibility to ensure legality and suitability of any modifications with regard to the intended use of the motorcycle.

 

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