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STD Reproduction Panhead Cylinder Heads

Since good, original heads are becoming more and more scarce, STD reproduction cylinder heads are a great alternative for stock replacement or for performance engine projects built from scrap. They feature many improvement over the stock counterparts like a raised port design for improved air-flow. Valve seats are altered to accept Shovel intake and exhaust valves and made of hardened material for the use of unleaded fuel. To allow porting and flow-bench tuning, the combustion chamber and inlet ports are unpolished. STD heads are supplied as pairs without valve guides and head bolts. They are machined for 1948-79 Pan/Shovel valve guides. For improved dependability STD heads come with steel inserts for the head bolts that accept factory thread 7/16-20 head bolts. All versions accept modern spark plugs with long 14 mm threads.

OEM style replacement heads feature:

  • stock Panhead exhaust flanges
  • stock Panhead intake manifold flanges (O-ring style 1955-up)
  • stock oiling systems
  • head bolt patterns for stock Panhead cylinders
  • single spark plug design

Custom style heads feature:

  • stock Panhead exhaust flanges
  • Shovelhead intake manifold flanges (O-ring type).
  • both inside and outside oiling systems
  • head bolt patterns for Panhead and Shovelhead cylinders

STD style heads feature:

  • STD-style exhaust flanges for the installation of Shovelhead or custom exhaust systems
  • Shovelhead intake manifold flanges (O-ring type).
  • both inside and outside oiling systems
  • head bolt patterns for Panhead and Shovelhead cylinders
  • single or dual spark plug design
  • counterbore for 3-7/16”/3-1/2” bore or 3-5/8” big bore cylinders

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Cylinder head set »Panhead« by STD Development, cast aluminum, cast finish, with Installation instructions, USA
W&W# Picture net price* Available from warehouse Germany?
62-452 STD Reproduction Panhead Cylinder Heads »OEM Type«, for Panhead 1948-1962, inside oiling, nominal bore: 3-7/16 ” / 3-1/2 ” $1,762.99 pair
in stock
62-453 STD Reproduction Panhead Cylinder Heads »OEM Type«, for Panhead 1963-1965, outside oiling, nominal bore: 3-7/16 ” / 3-1/2 ” $1,762.99 pair
in stock
62-456 STD Reproduction Panhead Cylinder Heads »Custom«, for Panhead and Shovelhead 1948-1984, inside & outside oiling, nominal bore: 3-7/16 ” / 3-1/2 ” $1,762.99 pair
in stock
62-454 STD Reproduction Panhead Cylinder Heads »STD«, for Panhead and Shovelhead 1948-1984, inside & outside oiling, nominal bore: 3-7/16 ” / 3-1/2 ” $1,762.99 pair
in stock
62-455 STD Reproduction Panhead Cylinder Heads »STD Big Bore«, for Panhead and Shovelhead 1948-1984, inside & outside oiling, nominal bore: 3-5/8 ” $1,817.90 pair
in stock
62-470 STD Reproduction Panhead Cylinder Heads »STD Big Bore«, for Panhead and Shovelhead 1948-1984, inside & outside oiling / dual plugs, nominal bore: 3-5/8 ” $1,817.90 pair
in stock
* United States of America: Tax free shipping. Please check your local import fees.

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