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05/21/2029 1:07 AM
Tax Return Sale Price $1,669.51
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Part number: 31161211L
Competitor Pricing
Product Details
Dart 31161211L SHP - Special High Performance Blocks
Products specifications
Cam Bearings Included No
Cyl Bore 4.125in
Cylinder Bore as Shipped 4.125 in.
Deck 9.025in
Deck Height (in) 9.025 in.
Engine Block Material Cast iron
Engine Block Style Aftermarket
Engine Block Weight (lbs) 175 lbs.
Finished Cylinder Bores No
Freeze Plugs Included No
Main Bearings Included No
Main Bolt Style 4-bolt
Main Cap Fasteners Included Yes
Main Cap Material Ductile iron
Main Caps Included No
Main Journal Type 350 mains
Notes Uses 1981-85 stock-style oil pan and dipstick.
Quantity Sold individually.
Raised Cam Location No
Rear Main Seal Style 1-piece
Tool Stroker Combinations
SHP Chevy Small Block

Why waste time sourcing, cleaning, machining, and prepping an old core in hopes itll be usable when you could be guaranteed a new quality block without the expense of a full-race unit Dart SHP Special High Performance Blocks enable you to affordably build a powerful and durable engine. 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.


  • Designed for compatibility with stock components
  • Virtually ready to assemble right out of the box after a final cylinder hone
  • Precision machined from high-nickel cast iron
  • Decks even and parallel within .002
  • Siamese bores 4.000 OR 4.125 (unfinished)
  • Cylinder walls .230 minimum at 4.165
  • Priority main oiling system
  • Splayed 4-bolt center three main caps
  • Blind head bolt holes
  • OE bolt holes for starter, clutch ball, etc.
  • Uses stock timing cover
  • Provisions for stock roller lifters and cams
  • Made in the USA
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Best prices I could find anywhere! Fast shipping. Will definitley buy from again.
Quick and Easy
Hard to find part, in stock, and the best price around.  Amazing!!!
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