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Contact us at:

Ohio Crankshaft
5453 ST RT 49 S
Greenville, OH 45331

Phone: 937-548-7113
Fax: 937-548-4603
1-800-333-7113

7am-5pm M-F E
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CHEVROLET BIG BLOCK
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509 - 540 - 555 - 565 Short Block

Price
  • Merlin block
  • 4.250 4340 crank
  • 6.385 H-beam rods
  • SRP dome pistons
  • Total Seal Rings
  • Federal Mogul race bearings
  • World aluminum block add $2750
  • Also available JE 14 1/2:1 piston, gas ported, low tension rings, add $400

$4,195
assembled

$3,995
unassembled


572 - 588 Short Block

Price
  • Merlin III short deck block
  • 4.625 x 4.375 big bore
  • 6.535 H beam rods w/ ARP 2000
  • JE gas ported pistons w/ .043 rings
  • The most cubes in a 9.8" block
  • 4340 steel crankshaft 0

$4,795
assembled

$4,495
unassembled


555 Nitrous Short Block

Price
  • Merlin III block
  • 4.250 4340 steel crankshaft
  • JE nitrous pistons
  • I-Beam extreme duty rod
  • Total Seal Rings
  • Federal Mogul bearings
  • Dart Block add $200
  • O-ringed add $150

$4,595
assembled

$4,395
unassembled


555 Short Block

Price
  • Merlin III block
  • 4.250 4340 crank
  • 6.385 4340 rods
  • SRP dome pistons
  • Total Seal Rings
  • Federal Mogul bearings

$4,195
assembled

$3,995
unassembled


572 - 598 Nitrous Short Block

Price
  • 4.5" stroke 4340 crankshaft
  • Billet aluminum rods
  • Diamond forged nitrous pistons
  • Merlin III tall deck
  • Ring and bearings
  • Internally balanced
  • Speed Pro Hellfire rings

$5,345
assembled

$5,095
unassembled


572 - 598 Short Block

Price
  • SRP 14.5-1 pistons
  • Ohio Crank H-beam rods w/ARP2000 bolts
  • Merlin III 10.2" block
  • Ohio Crank 4340 x 4.500 crankshaft
  • Rings and bearings

$4,295
assembled

$4,045
unassembled


572-598 Short Block

Price
  • JE 15-1 pistons
  • Extreme duty I-beam rods
  • Merlin III 10.2" block
  • Ohio Crank 4340 x 4.500 crankshaft
  • Rings and bearings

$4,595
assembled

$4,345
unassembled


620 Sportsman Short Block

Price
  • 14:1 Compression
  • SRP pistons
  • H-beam rods
  • 4340 4.750 crankshaft

$4,395
assembled

$4,145
unassembled


632 Sportsman Short Block

Price
  • 15:1 Compression
  • JE pistons
  • Extreme duty I-beam rods
  • 4340 4.750 crankshaft
  • Oliver billet rods add $700
  • add $300 for billet crankshaft

$4,795
assembled

$4,545
unassembled


632 Pro Short Block

Price
  • Ohio crank billet 4.750 crankshaft
  • 15:1 Compression
  • Diamond gas ported NOS pistons
  • Speed Pro Hellfire NOS rings
  • Speed Pro race bearings
  • Oliver billet steel rods
  • Internally balanced
  • Merlin or Dart 10.2 nodular cap block - fully machined
  • Billet cap block, add $300
  • O-ring block, add $150
  • BME aluminum rods, add $250

$6,095
assembled

$5,845
unassembled


706 Short Block

Price
  • Dart 11.1 Iron block
  • BME aluminum rods
  • JE custom pistons
  • OC 5.3" 4340 billet crank
  • Speed Pro Hellfire rings
  • O-ringed add $150
  • Brodix aluminum block add $4000

$7,395
assembled


  • Available as an addition to all of the short blocks listed below.
  • Includes the following components:
    • Comp Roller cam
    • Roller timing set w/ thrust washer
    • Canton Pan
    • HV oil pump
    • Drive shaft
    • Front cover
    • For Big Block Chevy add $1075

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