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$1,668.99
Dart 31161111 Special High Performance Chevy Block, 4.00 Inch Bore
Dart 31161111 Special High Performance Chevy Block, 4.00 Inch Bore

Dart 31161111 Special High Performance Chevy Block, 4.00 Inch Bore

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Dart 31161111 Special High Performance Chevy Block, 4.00 Inch Bore
Dart 31161111 Special High Performance Chevy Block, 4.00 Inch Bore
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Part # 30431611
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Dart's Special High Performance (SHP) small-block meets the need for an affordable, precision-machined cast-iron block with superior features. Designed for high-performance and heavy-duty applications producing up to 600 horsepower, the SHP block is the ideal starting point for hot rodders, drag racers, circle track competitors, off-roaders, and high-performance marine enthusiasts. The SHP block as all the features needed without spending the big bucks and having to wait on your machine shop.

  • All new, precision machined
  • Cast from high nickel iron
  • Priority main oiling system
  • Siamese 4.000" bores
  • At 4.165" bore, .230" wall thickness
  • Clearance for 3.75" stroke w/ steel rods
  • Decks parallel within .002"
  • Made in USA
  • Blind head bolt holes
  • 350 main journals
  • Splayed 4-bolt center main caps
  • Two piece rear main seal
  • Accepts OEM roller rockers and cams
  • Uses 1981-85 oil pans & dipsticks
  • Accepts standard starters and bellhousings

Dart SHP Block Instructions (PDF)

Notes

  1. DOES NOT come with cam bearings. Order (5) qty. 304-3221 bearings.
  2. Cylinders will require final bore machining before assembly.

Specs

Some parts are not legal for use in California or other states with similar laws/regulations

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