Dennis Kirk Inc.

Cylinder Heads for Stock Pistons - 106-4570

Cylinder Heads for Stock Pistons - 106-4570

MSRP: $1,300.95

Price: $1170.86 10% off!
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S&S Cycle Cylinder Heads for Stock Pistons - 106-4570
  • S&S heads are available to be used with stock flat-top pistons
  • Fully assembled and include stainless steel valves and high-lift springs
  • Intake manifold and gasket kits are sold separately; gasket kits contain head gaskets, base gaskets and exhaust pipe gaskets (rocker box gaskets are not included due to the variety of available rocker box styles)
  • Optimized for smaller displacement engines
  • Slight increase in compression (8.8:1 in an 80 in. motor)
  • Port design increases flow, while maintaining velocity
  • Set up for .535 in. maximum lift
  • EFI compatible
  • Available in natural and black powder-coat finish
  • Sold in pairs
  • Made in the U.S.A.

This item ships 3-4 business days after order is processed

Included Items:

(2) Replacement stock cylinder heads

(2) Set screws


The Air Resources Board (ARB) does not permit the use of aftermarket emission-related parts that alter the air/fuel ratio of an emission-controlled vehicle. Due to these legal restrictions this part cannot be shipped to California.

Mfg #: 106-4570
Part #: 140739
Type Cylinder Head
Units Pair
Weight 24.00 lbs
Alternate/OEM Part Number(s):
Resources & Manuals
Fitment for S&S Cycle Cylinder Heads for Stock Pistons - 106-4570

Part 140739 fits the following machines


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