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PERFORMANCE MOTORCYCLE PARTS AND KITS FOR AMERICAN V-TWINS

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Top End products for P, SH, and KN-Series engines and 1936-1984 big twins.

Products > Vintage > 1936-1984 Big Twin Models > Top End

Displaying 1 - 30 of 38 Product(s):
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  • 3-5/8" Bore Cylinder Kit for Knucklehead Engines
  • Includes 92-1620 Pistons for 4-1/2" Stroke
  • 5.625" Cylinder Length
$1,174.95
Aluminum Heads for 1937–'48 Flathead Side-Valve Big Twin Engines
  • 1937–1948 UL & ULH Models
  • Made to Order
  • Head Bolts NOT Included
  • Natural Finish
$625.00
  • Made to Order
  • Available in 3 7/16" or 3 5/8" Bore
Call/Email For Pricing
  • Made to Order
  • Available in 3 7/16" or 3 5/8" Bore
  • Cylinders Only with Gaskets and Hardware
$0.01
Finned Cast Pan Covers for 1948-’65 Harley-Davidson® Models
  • Fits 1948-’65 big twins & S&S P-Series engines
  • Looks cool
  • Better oil seal
$334.95 - $416.95
  • O-Ring Style Intake Ports
  • Single Plug, Internal Oiling
  • 1948–1965 Style
  • Natural Finish
  • Choose Bore
$1,244.95 - $1,364.95
Rings for 3 7/16" Bore Stroker Pistons
  • 3 7/16 Bore
  • Standard and Oversize (thru +.090')
  • 1966–'84 Big Twins
(1)
$13.55 - $31.95
Rings for Forged 3 1/2'' Bore Pistons
  • For 3 1/2" Bore, 80" Pistons
  • Standard and Oversize
  • 1966 - 1984 Big Twins
$31.95
  • Assembled or Unassembled
  • 14mm or 18mm spark plug hole
  • Gloss Black Finish
  • 1936 - 1947 OHV Big Twin & KN-Series
$3,265.00
  • .590 Inch Lift Triple Steel Valve Springs
  • Natural Aluminum Finish
  • SH-Series Engines
  • 1966–'78 Big Twins
$1,364.95
  • .590 Inch Lift Triple Steel Valve Springs
  • Natural Aluminum Finish
  • SH-Series Engines
  • 1979-1984 Big Twins
$1,364.95
Super Stock Head Kit
  • 3-5/8" Bore
  • O-ring Style
  • .590" lift triple steel valve springs, single spark plug, and internal oil return
  • Choose Finish
  • 1966–1978 big twins
     
$1,244.95 - $1,344.95
Super Stock Head Kit
  • Stock Bore, O-ring Style
  • .590" lift triple steel valve springs, single spark plug and internal oil return
  • Choose Finish
  • 1966–1978 Big Twins
$1,244.95 - $1,344.95
Super Stock Head Kit
  • 3-5/8" Bore, Band Style
  • .590" lift triple steel valve springs, single spark plug and internal oil return
  • Choose Finish
  • 1979–1984 Big Twins
$1,244.95 - $1,344.95
Super Stock Head Kit
  • Stock Bore, Band Style
  • .590" lift triple steel valve springs, single spark plug and internal oil return
  • Choose Finish
  • 1979–1984 Big Twins
(1)
$1,244.95 - $1,344.95
Cylinder Kit (91-9023)
  • 3-1/2" bore X 5.330" cylinder length
  • Includes pistons for 4-1/4" stroke, gaskets and hardware
  • Gloss black finish
  • 1966–'84 big twin
$914.95
Cylinder Kit
  • 3-1/2" bore X 5.330" cylinder length
  • Includes pistons for 4-1/4" stroke, gaskets and hardware
  • Gloss black finish
  • 1966–'84 big twin
$970.95
Cylinder Kit
  • 3-5/8" bore X 5.405" cylinder length
  • Includes pistons for 4-1/2" stroke, gaskets and hardware
  • Gloss black finish
  • 1966–'84 big twin
$931.95
Cylinder Kit
  • 3-5/8" bore X 5.330" cylinder length
  • Includes pistons for 4-1/4" stroke, gaskets and hardware
  • Gloss black finish
  • 1966–'84 big twin
$931.95
Cylinder Kit
  • 3-7/16" bore X 5.330" cylinder length
  • Includes pistons for 3-31/32" stroke, gaskets and hardware
  • Gloss black finish
  • 1966–'84 big twin
$914.95
3 5/8" Bore Low Compression Pistons (92-1627)
  • Low Compression
  • +.070" Oversize
  • 1936–'84 big twin
$228.95
3 5/8'' Bore Low Compression Pistons (92-1626)
  • Low Compression
  • +.060" Oversize
  • 1936–'84 big twin
$317.95
S&S® Forged 3 5/8" Bore Piston Sets For 1936-’84 OHV Big Twins
  • 3-5/8" Bore Piston Set
  • Standard and Oversize Available
  • Fits 88", 93", 96", 98" and 103" Engines
  • S&S will fit these pistons to your existing cylinders (when purchasing new cylinders, pistons can be fit to them as an option)
  • 1936 - 1984 Big Twin
(3)
$289.95 - $343.95
  • 74" Piston Set
  • Choose 8:1 or 9:1 Compression
  • 1936 - 1978 Big Twin
  • S&S will fit these pistons to your existing cylinders (when purchasing new cylinders, pistons can be fit to them as an option)
$289.95
S&S Forged 80'' Pistons for 1979-'84 OVH Engines
  • 80" Piston Set
  • Choose 8:1 or 9:1 Compression
  • 1979–1984 Big Twins
  • May be used in mild stroker engines with 4 1/4" stroke flywheels
  • S&S will fit these pistons to your existing cylinders (when purchasing new cylinders, pistons can be fit to them as an option)
$289.95
Forged Stock Bore Stroker Pistons For 1936-’84 OHV Engines
  • Stock Bore Piston Set
  • Choose Standard or Oversize
  • Used in 84" (4-1/2" stroke), 86" (4-5/8" stroke), and 88" (4-3/4" stroke) stock bore stroker engines with stock diameter flywheels
  • S&S will fit these pistons to your existing cylinders (when purchasing new cylinders, pistons can be fit to them as an option)
  • 1936–1984 Big Twin
 
$289.95
  • 3-5/8" Cast Piston Set
  • Low Compression, +.050" Oversize
  • 1936 - ' 84 big twin
$305.30
Cylinder Set
  • 3-5/8" bore X 5.330" cylinder length
  • Cylinders only with gasket and hardware
  • Gloss black finish
  • 1966–'84 big twin
$723.95
Piston Ring Set
  • Moly Faced Piston Ring Set
  • 3-5/8" Bore, +.070" Oversize
  • 1966 - 1984 Big Twin
  • $29.95
    Piston Ring Set
  • Moly Faced Piston Ring Set
  • 3-5/8" Bore, +.060" Oversize
  • 1966 - 1984 Big Twin
  • $29.95