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S55 Stage 2 Performance Cylinder Head

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45.00 LBS
Calculated at checkout

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Product Description

The S55 can suffers from valves floating at high boost levels so we've selected a high seat pressure Supertech spring package to go with our stage 2 cylinder head that will allow for good sealing at very high boost pressures.

Our Stage 2 Cylinder Heads feature the following:

  • Supertech Valve Spring Kit - 82lbs of Seat Pressure
  • Complete Disassembly & Cleaning
  • Comprehensive Leak, Crack & Pressure Test
  • Inspect All Components For Irregular Wear
  • Our High performance Five Angle Valve Job
  • New Valve Seals
  • Trueness Checked & Resurfaced Mating Surface

Valve guides will be inspected and replaced if necessary at additional cost.

Please remove camshafts and eccentric shafts from cylinder head before shipping. We can remove and reinstall these components for you at an additional cost of $375. Shipping cost may also need to be adjusted due to the increased size and weight.

  • A Core cylinder head is required for all head work, please call or email if you will not be supplying us with a head for updated core market price.
  Spring Pressure Seated .400" Lift Seat Pressure
Stock Intake 56 lbs 130 lbs
Stock Exhaust 58 lbs 124 lbs

Supertech Intake

82 lbs 150 lbs
Supertech Exhaust 82 lbs 150 lbs





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