Harley Davidson Twin

Stock Cylinder Heads Black 89cc. This item fits the following models. FLHR Road King EFI. FLHRC Road King Classic. FLHRC Road King Classic EFI. FLHRS Road King Custom. FLHRS Road King Custom EFI. FLHT Electra Glide Standard. FLHTC Electra Glide Classic. FLHTCI Electra Glide Classic EFI. FLHTCU Electra Glide Ultra Classic. FLHTCUI Electra Glide Ultra Classic EFI. FLHTCUTG Tri Glide Ultra Classic. FLHTI Electra Glide Standard EFI. FLHTK Electra Glide Ultra Limited. FLHTXXX Street Glide Trike. FLHX Street Glide EFI. FLHXXX Street Glide Trike. FLSTC Softail Heritage Classic. FLSTCI Softail Heritage Classic EFI. FLSTF Softail Fat Boy. FLSTFB Softail Fat Boy Lo. FLSTFI Softail Fat Boy EFI. FLSTI Heritage Softail EFI. FLSTNI Softail Deluxe EFI. FLSTSBI Softail Cross Bones EFI. FLSTSC Softail Springer Classic. FLSTSCI Softail Springer Classic EFI. FLTR Road Glide EFI. FLTRU Road Glide Ultra. FLTRX Road Glide Custom. FXCWC Softail Rocker C. FXD35 Dyna 35th Anniversary Super Glide (EFI). FXDBI Street Bob EFI. FXDC Super Glide Custom. FXDCI Super Glide Custom EFI. FXDI Super Glide EFI. FXDL Low Rider EFI. FXDWGI Wide Glide EFI. FXSTB Softail Night Train. FXSTBI Softail Night Train EFI. FXSTC Softail Custom EFI. FXSTDI Softail Deuce EFI. FXSTI Softail Standard EFI. FXSTSI Softail Springer EFI. High port flow gives great performance now, and more later when additional upgrades are done. Heads are fully assembled with springs and valves. 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 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. 640″ lift; 89cc have 2.000″ intake and 1.605 exhaust and. 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. Made in the U. Must use S&S rocker boxes if S&S compression releases are used. Not compatible with Twin Cooled heads.

cycle

106-3240, cycle, cylinder, davidson, harley, heads, stock, super, twin