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Your Headquarters For Harley Davidson After-market Parts
Your Headquarters For Harley Davidson After-market Parts

MID-USA

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  • $40.14 - $40.14
    $40.14
    $48.17
    $48.17 - $48.17
    $48.17

    Valve Intake Black Diamond Big Twin Evo 84 / 99 Tc 99 / 04 -.060" Long Replaces 18074-83A #20-4169

    MID-USA
    In stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.26ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $40.14 - $40.14
    $40.14
    $48.17
    $48.17 - $48.17
    $48.17
  • $31.35 - $31.35
    $31.35
    $39.30
    $39.30 - $39.30
    $39.30

    Valve Intake Black Diamond Fits 2017 / Later M8 107 & 114 Oversize 1.630" Head Diameter

    MID-USA
    In stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.00ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $31.35 - $31.35
    $31.35
    $39.30
    $39.30 - $39.30
    $39.30
  • $31.00 - $31.00
    $31.00
    $39.30
    $39.30 - $39.30
    $39.30

    Valve Intake Black Diamond Fits 2017 / Later M8 107 & 114 Standard Size 20-21012

    MID-USA
    In stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.00ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $31.00 - $31.00
    $31.00
    $39.30
    $39.30 - $39.30
    $39.30
  • $40.15 - $40.15
    $40.15
    $48.18
    $48.18 - $48.18
    $48.18

    Valve Intake Black Diamond Ironhead Sportster 1958 / 69 Replaces HD# 18071-58 P.M.20-4258

    MID-USA
    In stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.22ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $40.15 - $40.15
    $40.15
    $48.18
    $48.18 - $48.18
    $48.18
  • Sold out
    $40.15 - $40.15
    $40.15
    $48.18
    $48.18 - $48.18
    $48.18

    Valve Intake Black Diamond Ironhead Sportster 1970 / Later Rpl HD 18027-80....P.M.20-4196

    MID-USA
    Out of stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.21ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $40.15 - $40.15
    $40.15
    $48.18
    $48.18 - $48.18
    $48.18
    Sold out
  • $33.15 - $33.15
    $33.15
    $39.78
    $39.78 - $39.78
    $39.78

    Valve Intake Black Diamond Panhead 1948 / 1965 Rpl HD 18071-48....P.M.20-4257

    MID-USA
    In stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.24ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $33.15 - $33.15
    $33.15
    $39.78
    $39.78 - $39.78
    $39.78
  • $33.15 - $33.15
    $33.15
    $39.78
    $39.78 - $39.78
    $39.78

    Valve Intake Black Diamond Shovelhead 1966 / Later Rpl HD 18075-81....P.M.20-4194

    MID-USA
    In stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.23ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $33.15 - $33.15
    $33.15
    $39.78
    $39.78 - $39.78
    $39.78
  • $33.15 - $33.15
    $33.15
    $39.78
    $39.78 - $39.78
    $39.78

    Valve Intake Black Diamond Sportster 1200 Cc 1988 / 2003 Replaces HD# 18023-87 P.M.20-2013

    MID-USA
    In stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.19ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $33.15 - $33.15
    $33.15
    $39.78
    $39.78 - $39.78
    $39.78
  • Sold out
    $40.14 - $40.14
    $40.14
    $48.17
    $48.17 - $48.17
    $48.17

    Valve Intake Black Diamond Sportster 883 Cc 1986 / 2003 Replaces HD# 18031-86 P.M.20-20090

    MID-USA
    Out of stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.19ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $40.14 - $40.14
    $40.14
    $48.17
    $48.17 - $48.17
    $48.17
    Sold out
  • $40.20 - $40.20
    $40.20
    $48.24
    $48.24 - $48.24
    $48.24

    Valve Intake Black Diamond Twin Cam 2005 / Later* Replaces HD#18074-05 MFG# 20-20322

    MID-USA
    In stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.19ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $40.20 - $40.20
    $40.20
    $48.24
    $48.24 - $48.24
    $48.24
  • $40.15 - $40.15
    $40.15
    $48.18
    $48.18 - $48.18
    $48.18

    Valve Intake Black Diamond XLR 1970 / Later 1.95" Head Od Rpl HD 18069-65R...P.M.20-4167

    MID-USA
    In stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.23ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $40.15 - $40.15
    $40.15
    $48.18
    $48.18 - $48.18
    $48.18
  • $31.90 - $31.90
    $31.90
    $38.28
    $38.28 - $38.28
    $38.28

    Valve Intake Os Black Diamond Big Twin Evo 84 / 99 Tc 99 / 04 1.900" Head 28 Degree Tulip Profile

    MID-USA
    In stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.26ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $31.90 - $31.90
    $31.90
    $38.28
    $38.28 - $38.28
    $38.28
  • $33.15 - $33.15
    $33.15
    $39.78
    $39.78 - $39.78
    $39.78

    Valve Intake Os Black Diamond Shovelhead 1966 / L 2" Head Diameter Stock Stem....No HD Replaces #

    MID-USA
    In stock

    BLACK DIAMOND VALVES FOR HARLEY DAVIDSON BIG TWIN & SPORTSTERWEIGHT: 0.25ALL PRECISION MACHINING , INC. ONE PIECE STAINLESS STEEL VALVES ARE IM...

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    $33.15 - $33.15
    $33.15
    $39.78
    $39.78 - $39.78
    $39.78
  • $85.05 - $85.05
    $85.05
    $107.16
    $107.16 - $107.16
    $107.16

    Valve Intake Stainless 1Pc Big Twin Evo 84 / 99 Tc 99 / 04 Chrome Stem 2"Od HD Std Length Manley

    MID-USA
    In stock

    ONE PIECE STAINLESS STEEL VALVES FOR ALL HARLEY DAVIDSON MODELSWEIGHT: 0.58 THE STANDARD OF THE INDUSTRY SINCE THEIR INCEPTION , MANLEY VALVES ARE ...

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    $85.05 - $85.05
    $85.05
    $107.16
    $107.16 - $107.16
    $107.16
  • $75.13 - $75.13
    $75.13
    $75.13 - $75.13
    $75.13

    Valve Intake Stainless 1Pc Big Twin Evo 84 / 99 Tc 99 / 04 Chrome Stem Replaces HD18074-83A 99082-2

    MID-USA
    In stock

    ONE PIECE STAINLESS STEEL VALVES FOR ALL HARLEY DAVIDSON MODELSWEIGHT: 0.51 THE STANDARD OF THE INDUSTRY SINCE THEIR INCEPTION , MANLEY VALVES ARE ...

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    $75.13 - $75.13
    $75.13
    $75.13 - $75.13
    $75.13
  • Sold out
    $68.30 - $68.30
    $68.30
    $81.96
    $81.96 - $81.96
    $81.96

    Valve Intake Stainless 1Pc Big Twin Evo 84 / 99 Tc 99 / 04 Nitride Stem Replaces HD18074-83A 99082N-2

    MID-USA
    Out of stock

    ONE PIECE STAINLESS STEEL VALVES FOR ALL HARLEY DAVIDSON MODELSWEIGHT: 0.49 THE STANDARD OF THE INDUSTRY SINCE THEIR INCEPTION , MANLEY VALVES ARE ...

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    $68.30 - $68.30
    $68.30
    $81.96
    $81.96 - $81.96
    $81.96
    Sold out
  • $85.05 - $85.05
    $85.05
    $102.06
    $102.06 - $102.06
    $102.06

    Valve Intake Stainless 1Pc Ihd Sportster 1970 / Later Chrome Stem Rpl HD 18027-80 ..... 99032-2

    MID-USA
    In stock

    ONE PIECE STAINLESS STEEL VALVES FOR ALL HARLEY DAVIDSON MODELSWEIGHT: 0.50 THE STANDARD OF THE INDUSTRY SINCE THEIR INCEPTION , MANLEY VALVES ARE ...

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    $85.05 - $85.05
    $85.05
    $102.06
    $102.06 - $102.06
    $102.06
  • $68.55 - $68.55
    $68.55
    $86.40
    $86.40 - $86.40
    $86.40

    Valve Intake Stainless 1Pc Shovelhead 1966 / L Chromed Stem Replaces HD 18075-81 99010-2

    MID-USA
    In stock

    ONE PIECE STAINLESS STEEL VALVES FOR ALL HARLEY DAVIDSON MODELSWEIGHT: 0.60 THE STANDARD OF THE INDUSTRY SINCE THEIR INCEPTION , MANLEY VALVES ARE ...

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    $68.55 - $68.55
    $68.55
    $86.40
    $86.40 - $86.40
    $86.40
  • $85.05 - $85.05
    $85.05
    $107.16
    $107.16 - $107.16
    $107.16

    Valve Intake Stainless 1Pc Sportster 1100&1200Cc 87 / 03 1.715"Od Chrome Plated Stem HD18023-87 99008-2

    MID-USA
    In stock

    ONE PIECE STAINLESS STEEL VALVES FOR ALL HARLEY DAVIDSON MODELSWEIGHT: 0.47 THE STANDARD OF THE INDUSTRY SINCE THEIR INCEPTION , MANLEY VALVES ARE ...

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    $85.05 - $85.05
    $85.05
    $107.16
    $107.16 - $107.16
    $107.16
  • $75.95 - $75.95
    $75.95
    $95.70
    $95.70 - $95.70
    $95.70

    Valve Intake Stainless Tc 2005 / Later 1.805"Od Chrome Stem Replaces HD 18074-05 MFG# 99040-2

    MID-USA
    In stock

    ONE PIECE STAINLESS STEEL VALVES FOR ALL HARLEY DAVIDSON MODELSWEIGHT: 0.46 THE STANDARD OF THE INDUSTRY SINCE THEIR INCEPTION , MANLEY VALVES ARE ...

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    $75.95 - $75.95
    $75.95
    $95.70
    $95.70 - $95.70
    $95.70
  • Sold out
    $10.90 - $10.90
    $10.90
    $13.08
    $13.08 - $13.08
    $13.08

    Valve Seat Exhaust 57-69 XL Od-1.757" Id-1.375 Height .450 10-Sc446

    MID-USA
    Out of stock

    Weight: 0.00VALVE SEAT,EXHAUST 57-69 XL OD-1.757",ID-1.375 HEIGHT .450 10-SC446

    $10.90 - $10.90
    $10.90
    $13.08
    $13.08 - $13.08
    $13.08
    Sold out
  • $17.30 - $17.30
    $17.30
    $20.76
    $20.76 - $20.76
    $20.76

    Valve Seat Exhaust 66-77 Shvl 74" Od-2.060" Id-1.562" Height .450" 10-Sc523

    MID-USA
    In stock

    Weight: 0.00VALVE SEAT,EXHAUST 66-77 SHVL 74",OD-2.060",ID-1.562" HEIGHT .450" 10-SC523

    $17.30 - $17.30
    $17.30
    $20.76
    $20.76 - $20.76
    $20.76
  • $10.90 - $10.90
    $10.90
    $13.08
    $13.08 - $13.08
    $13.08

    Valve Seat Exhaust 70-83 XL Od-1.757" Id-1.375" Height .450" 10-Sc446

    MID-USA
    In stock

    Weight: 0.00VALVE SEAT,EXHAUST 70-83 XL OD-1.757",ID-1.375" HEIGHT .450" 10-SC446

    $10.90 - $10.90
    $10.90
    $13.08
    $13.08 - $13.08
    $13.08
  • $12.80 - $12.80
    $12.80
    $15.36
    $15.36 - $15.36
    $15.36

    Valve Seat Exhaust 78-83 Shvl 80" Od-2.060" Id-1.562" Height .450" 10-Sc523

    MID-USA
    In stock

    Weight: 0.00VALVE SEAT,EXHAUST 78-83 SHVL 80", OD-2.060",ID-1.562" HEIGHT .450" 10-SC523

    $12.80 - $12.80
    $12.80
    $15.36
    $15.36 - $15.36
    $15.36