High Performance Cylinder Head Specialists
  Evolution heads: Stages I, II, III
  Ø      Stage I, standard size valves, ported and polished intake and exhaust ports, and relieved combustion chambers. 80" to 88" Motors, best if used with performance cam, carburetor and exhaust system. Includes springs and retainers.   $500.00 pr. 
  Ø      Stage II, 1.94" intake and 1.65" exhaust valves. High velocity valve seat throats for maximum low and mid lift flow. Most effective for .600 lift and below. Includes springs and retainers. $600.00   
  Ø      Stage III 1.94" intake and 1.7" exhaust valves. Big throat valve seats for high lift cams of .600 and up. 88" and up motors for mid to top end performance. Includes springs and retainers. $700.00pr.
  NOTE: For Stage I, II, III, heads, send us your cores, and we ship them back fully modified and complete. Plus shipping and handling.

 

Harley 4Valve Order Form
 

Harley Davidson New Process Engine Counter Balancing

Ø      Significantly reduces excessive vibration. 

Ø      Increased horsepower due to less energy being used to shake the engine at high frequency and amplitude. The energy is now available as increased torque at the crankshaft.  

Ø      Send in your flywheels, connecting rods, both pistons with rings, wrist pins and clips. We disassemble, balance, reassemble and true wheels. 

Ø      The labor on completed assembly is $400.00 plus shipping, handling and C.O.D. charge. Shipped within 5 working days from time received.

Satisfaction guaranteed, if not satisfied, original factory balance will be returned to customers' parts. Customer pays shipping charges