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S&S Cycle® 89cc Powder-Coated Silver Super Stock™ Cylinder Heads for 1999-2005 Harley Models with Twin Cam Motors - Sold in Pairs - Made in U.S.A. - 106-4270

$1,995.95
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SKU:
106-4270
S&S Cycle® 89cc Powder-Coated Silver Super Stock™ Cylinder Heads for 1999-2005 Harley Models with Twin Cam Motors - Sold in Pairs - Made in U.S.A. - 106-4270
OUT OF STOCK

S&S Cycle® Powder-Coated Silver Super Stock™ Cylinder Heads - Sold in Pairs - Made in U.S.A.

Fits 1999-2005 Harley-Davidson Models with Twin-Cam Motors

Features:

  • SUPER STOCK™ CYLINDER HEADS FOR TWIN CAM

  • High port flow gives great performance now, and more later when additional upgrades are done

  • Heads are fully assembled with springs and valves, and are available in silver or wrinkle black powdercoat

  • Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; see Compression Ratios chart for specifications

  • 79cc heads work great with stock motors for 88" to 103" motors; 89cc/91cc heads work best for motors over 103" or with high-compression pop-up pistons

  • 79cc have 1.940" intake and 1.575" exhaust valve and springs for up to .650" lift (unless noted); 89cc/91cc have 2.000" intake and 1.605" exhaust and .650" springs

  • Heads are machined for compression releases (sold separately); S&S rocker boxes required when using S&S compression releases

  • Do not include rocker arm components, intake manifold or gaskets

  • Heads include four long headbolts, and reuse four long OEM headbolts

  • Accept OEM intake manifolds

  • Sold in pairs

  • Made in the U.S.A.

  • NOTE: Must use S&S rocker boxes (PART #90-4110) if S&S compression releases are used.

  • NOTE: Not compatible with Twin Cooled heads.

Finish:

  • Powder-Coated/Silver

Fitment:

  • 2006 Harley-Davidson Street Glide EFI FLHX

  • 2006 Harley-Davidson Street Glide FLHX

  • 2006 Harley-Davidson Softail Heritage EFI FLSTI

  • 2006 Harley-Davidson Softail Night Train EFI FXSTBI

  • 2006 Harley-Davidson Softail Standard FXST

  • 2006 Harley-Davidson Softail Springer EFI FXSTSI

  • 2006 Harley-Davidson Softail Springer FXSTS

  • 2006 Harley-Davidson Softail Night Train FXSTB

  • 2006 Harley-Davidson Softail Standard EFI FXSTI

  • 2006 Harley-Davidson Softail Heritage FLST

  • 2005-2006 Harley-Davidson Softail Springer Classic FLSTSC

  • 2005-2006 Harley-Davidson Softail Deluxe FLSTN

  • 2005-2006 Harley-Davidson Softail Deluxe EFI FLSTNI

  • 2005-2006 Harley-Davidson Softail Springer Classic EFI FLSTSCI

  • 2005 Harley-Davidson Super Glide Custom EFI FXDCI

  • 2005 Harley-Davidson 15th Anniversary Fat Boy FLSTF

  • 2005 Harley-Davidson Super Glide Custom FXDC

  • 2004-2006 Harley-Davidson Road King Custom EFI FLHRS

  • 2004-2006 Harley-Davidson Road King Custom FLHRS

  • 2004-2006 Harley-Davidson Electra Glide Standard FLHT

  • 2004-2006 Harley-Davidson Road King Classic EFI FLHRC

  • 2004-2006 Harley-Davidson Electra Glide Classic EFI FLHTCI

  • 2004-2006 Harley-Davidson Road King FLHR

  • 2004-2006 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI

  • 2004-2006 Harley-Davidson Softail Heritage Classic FLSTC

  • 2004-2006 Harley-Davidson Softail Fat Boy FLSTF

  • 2004-2006 Harley-Davidson Softail Heritage Classic EFI FLSTCI

  • 2004-2006 Harley-Davidson Road King EFI FLHR

  • 2004-2006 Harley-Davidson Softail Fat Boy EFI FLSTFI

  • 2004-2006 Harley-Davidson Electra Glide Standard EFI FLHTI

  • 2004-2006 Harley-Davidson Road Glide EFI FLTR

  • 2004-2005 Harley-Davidson Low Rider EFI FXDL

  • 2004-2005 Harley-Davidson Super Glide Sport EFI FXDXI

  • 2004-2005 Harley-Davidson Super Glide EFI FXDI

  • 2004-2005 Harley-Davidson Electra Glide Classic FLHTC

  • 2004-2005 Harley-Davidson Wide Glide EFI FXDWGI

  • 2003-2005 Harley-Davidson Softail Night Train EFI FXSTBI

  • 2003-2005 Harley-Davidson Softail Springer FXSTS

  • 2003-2005 Harley-Davidson Softail Night Train FXSTB

  • 2003-2005 Harley-Davidson Softail Springer EFI FXSTSI

  • 2003-2005 Harley-Davidson Softail Standard FXST

  • 2003-2005 Harley-Davidson Softail Standard EFI FXSTI

  • 2003 Harley-Davidson Electra Glide Standard EFI FLHTI

  • 2003 Harley-Davidson Softail Heritage Springer EFI FLSTSI

  • 2003 Harley-Davidson Softail Heritage Springer FLSTS

  • 2002-2005 Harley-Davidson Wide Glide FXDWG

  • 2002-2005 Harley-Davidson Low Rider FXDL

  • 2002-2005 Harley-Davidson Super Glide FXD

  • 2002-2003 Harley-Davidson Softail Fat Boy EFI FLSTFI

  • 2001-2006 Harley-Davidson Softail Deuce EFI FXSTDI

  • 2001-2003 Harley-Davidson Softail Heritage Classic EFI FLSTCI

  • 2001-2003 Harley-Davidson Super Glide T-Sport FXDXT

  • 2001-2002 Harley-Davidson Softail Night Train EFI FXSTBI

  • 2001-2002 Harley-Davidson Softail Standard EFI FXSTI

  • 2001-2002 Harley-Davidson Softail Heritage Springer EFI FLSTSI

  • 2001-2002 Harley-Davidson Softail Springer EFI FXSTSI

  • 2000-2006 Harley-Davidson Softail Deuce FXSTD

  • 2000-2003 Harley-Davidson Softail Heritage Classic FLSTC

  • 2000-2003 Harley-Davidson Softail Fat Boy FLSTF

  • 2000-2002 Harley-Davidson Softail Springer FXSTS

  • 2000-2002 Harley-Davidson Softail Night Train FXSTB

  • 2000-2002 Harley-Davidson Softail Standard FXST

  • 2000-2002 Harley-Davidson Softail Heritage Springer FLSTS

  • 1999-2005 Harley-Davidson Super Glide Sport FXDX

  • 1999-2003 Harley-Davidson Road Glide EFI FLTR

  • 1999-2003 Harley-Davidson Road King EFI FLHR

  • 1999-2003 Harley-Davidson Electra Glide Classic EFI FLHTCI

  • 1999-2003 Harley-Davidson Road King FLHR

  • 1999-2003 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI

  • 1999-2003 Harley-Davidson Electra Glide Standard FLHT

  • 1999-2003 Harley-Davidson Electra Glide Classic FLHTC

  • 1999-2003 Harley-Davidson Road King Classic EFI FLHRC

  • 1999-2002 Harley-Davidson Road Glide FLTR

  • 1999-2001 Harley-Davidson Wide Glide FXDWG

  • 1999-2001 Harley-Davidson Low Rider FXDL

  • 1999-2001 Harley-Davidson Super Glide FXD

  • 1999-2000 Harley-Davidson Dyna Convertible FXDS-CONV

  • 1999 Harley-Davidson Electra Glide Ultra Classic FLHTCU

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