Shovelhead Cylinder Set Big Bore 3-5/8″

(11 customer reviews)

US$1,200

Speed And Science Big Bore (3-5/8″) Billet Aluminum Shovelhead Cylinders.

Description

Shovelhead Cylinders Big Bore 3-5/8″ by Speed And Science®.

  • Billet Aluminum outer shell.
  • Suitable for all ’66-’84 models, this product requires engine cases to be bored out to 3.880″ in order to accept the cylinder spigots.
  • Cylinders are supplied 5.440″ long and yield 96CUI with 4-5/8″ stroke crankshafts. Longer stroke requires using stroker plates (not supplied). Shorter strokes (4-1/4 and 4-1/2) require base trimming.
  • Comes with pressed-in, centrifugally spun Grey Iron liners, undersized by -.030″ to allow for bore / hone to fit customer’s pistons. Liner’s beefy, 1/8″ wall thickness allow for all available oversized pistons.
  • Liners are replaceable, making the product infinitely rebuildable.
  • Internal, “hidden” oil drains, OEM locations top / bottom.
  • 9.2lb weight savings (p. pair) versus the all cast-iron construction.
  • Much better heat conductivity / dissipation drops the operating temperature up to 50F.
  • Warranty details and conditions are listed in the Installation Manuals ( Manuals download page )

Additional information

Weight17 lbs
Dimensions18 × 12 × 10 in

11 reviews for Shovelhead Cylinder Set Big Bore 3-5/8″

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4.9
Based on 11 reviews
5 star
90
90%
4 star
9
9%
3 star
0%
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1 star
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1-5 of 11 reviews
  1. Parts came in quick and look amazing!

  2. Price is high, but excellent shipping, and fast.

  3. High quality

  4. GORGEOUS !

    More full padding is needed for shipping would be my only critique for delivery.

    There was a rip in the cardboard box bottom and when I looked inside I saw the section where there is a relief cut into the cylinder fins… I let out a loud “NOOOO….!,,, WHY???!!!”

    I had thought a cooling fin was broken off by rough handling during shipment.

    But they were just fine…

  5. nice machine work!!!

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