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800.979.0122

(CST) 7am - 10pm

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Mon-Fri 8am - 5pm

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855.313.9180

International Order Line:

1.402.323.3200
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$699.99
$674.99
SB 383 Chevy Rotating Assem., One Piece, Flat Top-2 Valve, 6 In. Rod
SB 383 Chevy Rotating Assem., One Piece, Flat Top-2 Valve, 6 In. Rod

SB 383 Chevy Rotating Assem., One Piece, Flat Top-2 Valve, 6 In. Rod

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SB 383 Chevy Rotating Assem., One Piece, Flat Top-2 Valve, 6 In. Rod
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SB 383 Chevy Rotating Assem., One Piece, Flat Top-2 Valve, 6 In. Rod
SB 383 Chevy Rotating Assem., One Piece, Flat Top-2 Valve, 6 In. Rod
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Part # 9151035
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$674.99
$699.99
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KB Claimer Chevy 383 Hypereutectic Pistons, Flat Top, 6.0 Rod
KB Claimer Chevy 383 Hypereutectic Pistons, Flat Top, 6.0 Rod
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Details

Piston Material:
Hypereutectic Aluminum
Connecting Rod Type:
I-Beam
Connecting Rod Length:
6.000"
Crankshaft Material:
Cast Steel
Rear Main Seal Style:
1-piece
Main Journal Style:
350 mains
Piston Style:
Flat Top w/ 2 valve reliefs
Piston Ring Style:
C
Piston Weight:
425 grams
Wrist Pin Weight:
102 grams
Wrist Pin Diameter:
.9272"
Stroke:
3.75"
Connecting Rod Material:
Forged 5140 Steel
Connecting Rod Weight:
585 grams
Connecting Rod Bolt Diameter:
3/8"
Main Journal Diameter:
2.448"
Rod Journal Diameter:
2.10"
Bearing Construction:
Bi-metal
Bearing Undersize:
Standard
Narrowed Bearing:
Yes
Coated Bearing:
No
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Kit

Info

Speedway introduces forged rotating assembly engine rebuild kits, with an optional balance job. Includes new 1-pc rear main seal crank, rods and pistons. Cranks are new so they use standard size bearings.

New one piece rear main cast steel crank. Standard size journals. Hyperuetectic piston set and Speedway Super Stock rods. ARP rod bolts.

All balancing is done with our state-of-the-art Hines balancer by race mechanics with over 30 years of experience!  A kit purchased with the optional balance job will ship in 24-48 hours.

NOTE: Piston rings are not included and must be purchased separately.

Item Details

Flat top, 2 valve relief

C/R 58cc=11.2, 64cc=10.1, 76cc=9.8
Piston/Pin Weight: 527 g
Rod Length: 6", Ring Style: C     

Notes

Kits include:

  • Scat Cast Steel Crankshaft
    • One-piece rear main
    • 80-60-06 cast steel construction
    • Fatigue-resistant with near forged steel endurance
    • Standard size journals
  • Speedway 5140 I-Beam Claimer Connecting Rods
    • 5140 heat treated steel
    • Shot peened and magnafluxed
    • Press pin
    • 6.0" length
    • 585 grams
  • KB Signature Series Hypereutectic Claimer Pistons
    • Coated skirts
    • Wrist pin lock rings
    • T-5 hypereutectic construction
    • Can be used with press fit or floating wrist pins

Related Products

What's In The Kit

Each kit from Speedway Motors is carefully packaged and delivered right to your door. Below is a list of all the items you should expect to receive when you order this kit. Some of these items may also be available for sale individually if you're here looking for replacement parts.
  • Scat 935060L 383 Chevy Cast Steel Crankshaft, 1-Piece Main, 6.0 Rod
    Qty x 1
  • Small Block Chevy 5140 Steel I-Beam Rods, 6.0 Inch, Press Pin
    Qty x 1
  • KB Claimer Chevy 383 Hypereutectic Pistons, Flat Top, 6.0 Rod
    Qty x 1
  • King HP Series Chevy 350/400 Large Journal Engine Rod Bearings, Std
    Qty x 1
  • King HP Series Chevy 350 Large Journal Engine Main Bearings-Standard
    Qty x 1

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