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BSA A50 B25 Standard Sized Black Diamond Intake Valve

BSA A50 B25 Standard Sized Black Diamond Intake Valve 68-0661/BD

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  • BSA A50 B25 Standard Sized Black Diamond Intake Valve 68-0661/BD
  • BSA A50 B25 Standard Sized Black Diamond Intake Valve 68-0661/BD
BSA A50 B25 Standard Sized Black Diamond Intake Valve
MAP Cycle has 4 left in stock
MAP Cycle has 4 left in stock
$34.95
This high performance, standard sized intake valve is built using MAP's race-proven, Black Diamond technique. These hard-coated stainless steel valves are far superior to stock valves. Fits 1968-72 B-25 as well as 1966-70 A50. Additional information below.
$34.95
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Description

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Race-proven durability!

Our MAP valves feature black oxide nitrating (a superior hardening process) which penetrates into the ultra-EV8 stainless steel core material, forming a super-hard outer layer. This "Black Diamond" finish adds surface hardness as well as a smoother exterior coating which greatly reduces friction. This reduction in friction allows for tighter tolerances (fit) and provides long-lasting durability.

  • Stock, standard-sized intake valve
  • These valves are vastly superior to factory valves and other so-called "performance" finishes such as hard chrome.
  • Our induction welded, heat-treated tip prevents mushrooming and eliminates the need for lash caps.

Oversized Valves Are Available from MAP

  • Our oversized valves (OS) are flow tested for maximum performance.
  • Oversized valves can also be used to rejuvenate sunken valve seats while correcting valve geometry.
  • The OS valve features relocated keeper locations to accommodate hi-lift racing cams and springs. This saves additional machining expense.

NOTE: Always be sure to check piston clearance before installing oversize valves.

Additional Information

SKU 68-0661/BD
Manufacture MAP Cycle
Additional Information

Additional Information

SKU 68-0661/BD
Manufacture MAP Cycle
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Fitment Information

BSA Models

  • BSA A50 Royal Star 1966 - 1970
  • BSA A50 Wasp 1966 - 1967
  • BSA B25 Fleetstar 1969
  • BSA B25 Gold Star 1971
  • BSA B25 Starfire 1968 - 1970
  • BSA B25 Trail 1971
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