Dart SHP Small Block Ford Cast Iron Bare Engine Block, 4.125" Bore, 351C Main. 9.500" Deck Height

Dart SHP Small Block Ford Cast Iron Bare Engine Block, 4.125" Bore, 351C Main. 9.500" Deck Height

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Dart SHP Small Block Ford Cast Iron Bare Engine Block, 4.125" Bore, 351C Main. 9.500" Deck Height

  • Part# 31365235
  • Material: Cast Iron
  • Bore: 4.125” unfinished
  • Bore & stroke: 4.185” x 4.250” max recommended
  • Cam bearing bore ID: SVO 2.203”- 2.205”
  • Cam bearings: Special coated, grooved, w/3 oil holes Dart PN# 32210041 (Not included)
  • Cam Bearing O.S. + .010”, +.020”, +.030”
  • Cam bearing press: .002” - .003”
  • Cam journal OD: Standard Ford SB
  • Cam Plug: 2.375” dia. Cup plug Dart PN# 32510000
  • Cylinder Wall Thickness: .230” min @ 4.185” bore
  • Cubic inch: 468” max recommended
  • Deck Height: 9.500”
  • Deck Thickness: .675” min.
  • Fuel Pump: N/A
  • Freeze Plugs: STD Ford press in cup plugs 1.500” OD PN# 32820000B
  • Head Bolts: 1/2" Blind holes
  • Lifter Bores: STD Ford .876” - .8765” Honed to size
  • Lifters: STD Ford Hydraulic roller compatible
  • Main journal size: 2.749” STD 351 Cleveland
  • Main bearing bore: 2.9415” - 2.9425” Honed to size
  • Main thrust width: .913” - .915”
  • Main Cap Bolts: Inners 1/2-13 x 3.250” Qty 10
  • Outers 7/16-14 x 2.750” Qty 6
  • 10- ½” washers, 6- 7/16” washers
  • Main cap press: .003” - .004”
  • Main caps: Steel – Splayed centre 3, two bolt front & rear
  • Main cap register: Deep stepped register on each side (no need for dowels)
  • Oil system: Priority Main oiling
  • Oil Filter: Standard SBF filter w/ thread adapter Dart PN# 32940000
  • Oil Pan: Standard 351W oil pan
  • Rear Main Seal STD 1 piece seal - FelPro# 2921 or 2942 4.500”x3.750” SVO
  • Serial No. Right front & main caps
  • Starter: Standard SBF
  • Stud & bolt holes, Head: 1/2” STD SVO with Blind holes
  • Timing chain/gears Standard Components
  • Timing Cover: Uses stock 351W cover
  • Torque Specs: 1-5 inners ½” bolts - 100 ft lbs w/CMD #3
  • 2-3-4 outers 7/16” bolts – 65 ft lbs w/CMD #3
  • Weight, approx.: 195 lbs 

 

The SHP Ford block is tailored to the most popular performance and racing applications, with an 8.200” (302), 9.200″ (351c) or 9.500” (351w) deck height and a choice of 4.000” or 4.125” siamesed cylinder bores which can safely be bored to 4.185”. Steel main caps are splayed 4-bolt on the centre three and 2-bolt on #1 and #5, and utilize 1/2” bolts. The valley is machined to accept factory roller lifter guides and retainer (spider).

FEATURES

  • Priority main oiling system directs oil to main bearings first for more dependable lubrication.
  • No provision for oil restrictors.
  • Available with an 8.200” (302), 9.200″ (351c) or 9.500” (351w).
  • Provisions for OE stock roller lifters, dog bones & spider. • Siamese bores 4.000” or 4.125” (unfinished) with extra thick cylinder walls.
  • Extended cylinder barrels for improved piston support.
  • Extra thick decks ensure reliable head gasket seal.
  • Blind head bolt holes don’t go through to water jacket.
  • Steel 4-bolt main caps on #2, 3 and 4 with splayed outer bolts. 2-bolt main caps on #1 and 5.
  • Can use most stock components and accessories.
  • Scalloped water jackets increase coolant flow around cylinder barrels to prevent
  • detonation, extend engine life and produce consistent cylinder temperatures.
  • Parts kit sold separately (PN 32000015)