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 Blocks & Components

 Home / Small-Block Parts / Blocks & Components


30 Products

 

283 Main, 350 Bore Short-Deck Bowtie Race Block

  • 283 main, 350 bore short-deck Bowtie race block
  • 4-bolt steel mains, 20° splayed caps on center three mains
  • 3.980" rough bore; 4.185" max bore
  • Tested to over 800 HP

Chevrolet Performance
Part Number 24502650
UPC

$4,177.58

 

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350 Bare Block

  • 350 bare block
  • 1986 and later style
  • 1-Piece Rear Main Seal
  • 4.000" bore
  • Machined for hydraulic roller or flat tappets

Chevrolet Performance
Part Number 10105123
UPC

$938.27

 

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350 Bare Block, Pre-1986

  • 350 bare block
  • Pre-1986 style
  • 2-piece real main seal
  • 4.000" bore
  • Machined for flat tappets only

Chevrolet Performance
Part Number 10066034
UPC

$838.56

 

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350 Cast Iron Bowtie Race Block

  • 350 Cast-iron competition block
  • 4-bolt steel mains, 20° splayed caps on center three mains
  • 3.980" finished bore; 4.155" max bore
  • Tested to over 700 horsepower

Chevrolet Performance
Part Number 24502503
UPC

$2,287.16

 

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350 Main Bowtie Sportsman Block

  • 350 main Bowtie Sportsman block
  • 1-piece real main seal
  • 4-bolt nodular mains
  • 3.980" finished bore; 4.155" max bore

Chevrolet Performance
Part Number 12480174
UPC

$2,423.27

 

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350 Main Bowtie Sportsman Block

  • 350 Bowtie Sportsman block
  • 2-piece rear main seal
  • 4-bolt nodular mains
  • 3.980" finished bore; 4.155" max bore

Chevrolet Performance
Part Number 12480047
UPC

$2,000.78

 

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350 Main, 400 Bore Bowtie Sportsman Block

  • 350 main, 400 bore Bowtie Sportsman block
  • 2-piece rear main seal
  • 4-bolt nodular mains
  • 4.117" finished bore; 4.155" max bore

Chevrolet Performance
Part Number 12480157
UPC

$1,949.14

 

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350 Main, 400 Bore Bowtie Sportsman Block

  • 350 main, 400 bore Bowtie Sportsman block
  • 1-piece rear main seal
  • 4-bolt nodular mains
  • 4.117" finished bore; 4.155" max bore

Chevrolet Performance
Part Number 12480175
UPC

$2,332.03

 

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383 Bare Block

  • 383 bare block
  • 1986 and later style
  • 1-piece real main seal
  • 4.005" bore
  • Machined for hydraulic roller or flat tappets

Chevrolet Performance
Part Number 88962516
UPC

$1,036.19

 

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400 Aluminum Bare Block

  • 400 main aluminum bare race block
  • Splayed 4-bolt steel mains
  • 4.117" rough bore; 4.135" max bore
  • Tested to over 800 HP

Chevrolet Performance
Part Number 10134400
UPC

$5,333.47

 

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400 Aluminum Tall Deck Bare Race Block

  • A-356 aluminum tall deck competition block
  • Splayed 4-bolt steel mains
  • 4.117" rough bore; 4.135" max bore
  • Dry sump use only
  • Tested to over 800 HP

Chevrolet Performance
Part Number 24502495
UPC

$6,914.70


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400 Main 400 Bore Bowtie Sportsman Block, 2-Piece Rear Main Seal

Chevrolet Performance
Part Number 12480159
UPC

$1,982.00

 

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400 Main, 350 Bore Bowtie Sportsman Block

  • 400 main, 350 bore Bowtie Sportsman block
  • 2-piece rear main seal
  • 4-bolt nodular mains
  • 3.980" finished bore; 4.155" max bore

Chevrolet Performance
Part Number 12480049
UPC

$2,229.61

 

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Cast Iron Rocket Block, Standard Deck

Chevrolet Performance
Part Number 22551788
UPC

$2,951.38

 

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Chevrolet Performance 350 Main NASCAR Busch Series Block

Chevrolet Performance
Part Number 12480046
UPC

$6,782.87

 

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Chrome Timing Cover

  • Chrome timing cover
  • Direct replacement for covers with bolt-on timing pointer
  • For 1969–1991 Small Block V-8 and all 90° V-6 engines (P/N 19258602, 19210009, 19210007 and 1921000)

Chevrolet Performance
Part Number 12342089
UPC

$39.12

 

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Cylinder Sleeve, Standard Bore

  • Standard-bore steel cylinder sleeve
  • 3.980" bore; can be overbored to 4.135"
  • For late-design aluminum Small-Block V-8
  • For 90° V-6 aluminum blocks

Chevrolet Performance
Part Number 12480004
UPC

$190.18

 

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Freeze Plugs, 1-5/8"

  • 1-5/8"
  • Corrosion-resistant brass
  • Recommended for marine applications

Chevrolet Performance
Part Number 94673017
UPC

$2.74


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Front Cover

  • Small Block front cover with crank trigger plug
  • For engines P/N 12499101, 12499106, 12499101, 19318604, 19301294, 19301295, 19301293, 24502609, 88958603 and 19201330
  • Includes bolts, seal and gasket

Chevrolet Performance
Part Number 12562818
UPC

$28.74


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Fuel Pump Block-Off Plate

  • Small-Block Fuel Pump Block-Off Plate
  • Non-asbestos gasket included
  • Stamped Bowtie logo

Chevrolet Performance
Part Number 12341998
UPC

$11.17

 

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Main Bearing Bolt Kit, Sportsman Blocks

  • Grade-8 Bolts with 12-point heads
  • Sturdy design
  • For Sportsman Racing Blocks P/N 12480047, P/N 12480049, P/N 12480157, P/N 12480159, P/N 12480174 and P/N 12480175

Chevrolet Performance
Part Number 12480108
UPC

$84.23

 

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Main Bearing Kit, 383 Engine

  • Complete bearing kit
  • Standard size mains
  • For 350 Small-Block V-8

Chevrolet Performance
Part Number 12499102
UPC

$77.34

 

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Oil Galley Plugs

  • Replacement oil galley plugs
  • For all GM aluminum blocks
  • Size AN -06

Chevrolet Performance
Part Number 12480018
UPC

$32.95

 

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Rear Oil Seal, Two-Piece Design

  • Pre-1985 style two-piece design
  • For many V8 and V6 engines
  • Superior leak protection

Chevrolet Performance
Part Number 10121044
UPC

$32.07


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SP/ZZ Partial Engine Assembly

  • Partial 350 engine assembly
  • Four-bolt main 1-pc. seal block
  • Forged steel crank (shot-peened)
  • Add your cam, heads, intake, etc.

Chevrolet Performance
Part Number 12670966
UPC

$2,149.00

 

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Timing Pointer, 6.75" or 7" Balancer

  • Steel (not chrome) timing pointer
  • Bolt-on
  • For engines with 6.750" or 7" balancers

Chevrolet Performance
Part Number 3991435
UPC

$4.17


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Universal Engine Lift Brackets

  • Bolts to end of cylider head for removal/installation of engine
  • Constructed of 0.200" steel
  • 0.880" x 1.000" hook slots
  • Use with 3/8" or 7/16" bolts

Chevrolet Performance
Part Number 12363238
UPC

$17.19

 

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Main Cap Dowel

Chevrolet Performance
Part Number 19211434
UPC

$5.72

 

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Moroso Oil Restrictor Kit

  • Reduces oil flow to upper engine assembly, leaving more oil available for the rod and main bearings
  • Reduces power-robbing windage by reducing the volume of oil passing by the rotating assembly on its return to the pan
  • Do not use with hydraulic lifters

Moroso
Part Number 22010
UPC

$10.99


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Moroso Water Neck Block-Off Plate

  • 1/4" aluminum plate provides an ideal base to weld-your-own radiator hose fitting to the intake manifold
  • Untreated aluminum makes it easy to drill opening and weld to any size fitting of your choice
  • Perfect for racing and custom applications
  • Gasket included

Moroso
Part Number 63471
UPC

$10.99


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30 Products

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