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$649.99
SB Chevy Rotating Assembly, 350 Flat Top-4 Valve Relief, 5.7 Rod
SB Chevy Rotating Assembly, 350 Flat Top-4 Valve Relief, 5.7 Rod

SB Chevy Rotating Assembly, 350 Flat Top-4 Valve Relief, 5.7 Rod

350 Chevy Small Block V8, 350 mains Main Journal Style, 3.480" Engine Stroke, Narrowed Bearing

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SB Chevy Rotating Assembly, 350 Flat Top-4 Valve Relief, 5.7 Rod
SB Chevy Rotating Assembly, 350 Flat Top-4 Valve Relief, 5.7 Rod
SB Chevy Rotating Assembly, 350 Flat Top-4 Valve Relief, 5.7 Rod
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SB Chevy Rotating Assembly, 350 Flat Top-4 Valve Relief, 5.7 Rod
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Part # 91510206
$649.99
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  • The cast steel crankshaft will fit a two-piece rear main
  • I-beam claimer connecting rods are made from 5140 heat treated steel
  • They are shot peened and magnafluxed
  • Pistons feature a T-5 hypereutectic construction
  • Can be used with press fit or floating wrist pins

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KB Claimer Chevy 350 Hypereutectic Pistons, Flat Top 4V, 5.7 Rod
KB Claimer Chevy 350 Hypereutectic Pistons, Flat Top 4V, 5.7 Rod
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Details

Main Journal Style:
350 mains
Engine Stroke:
3.480"
Connecting Rod Type:
I-Beam
Connecting Rod Length:
5.700"
Connecting Rod Material:
Forged 5140 Steel
Connecting Rod Weight:
646 grams
Connecting Rod Bolt Diameter:
3/8"
Piston Style:
Flat Top w/ 4 valve reliefs
Piston Material:
Hypereutectic Aluminum
Piston Weight:
528 grams
Piston Ring Style:
A
Crankshaft Material:
Cast Steel
Rear Main Seal Style:
2-piece
Wrist Pin Diameter:
.9272"
Wrist Pin Weight:
102 grams
Main Journal Diameter:
2.448"
Rod Journal Diameter:
2.10"
Bearing Construction:
Bi-metal
Bearing Undersize:
Standard
Narrowed Bearing:
Yes
Coated Bearing:
No
MFG. Part #:
91510206
Sold in Quantity:
Kit

Info

Speedway introduces rotating assembly engine rebuild kits, with an optional balance job. Includes 2-pc rear main seal cast steel crank, rods and pistons. Cranks are new so they use standard size bearings.

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.

Kits include:

  • Speedway Cast Steel Crankshaft
    • Two-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
    • 5.7" length
    • Press pin
    • 646 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
    • C/R 58cc=10.9, 64cc=10.2, 76cc=9.0
      Piston/Pin Weight: 630 g
      Rod Length: 5.7"     

Item Details

Flat top, 4 valve relief
Ring style: A

Important Messages

  • Get FREE shipping when your order includes this item and exceeds $99! Ground shipping only in the contiguous US.
Some parts are not legal for use in California or other states with similar laws/regulations

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.
  • Speedway Chevy 350 Crankshaft, Two-Piece Main
    Qty x 1
  • Small Block Chevy 5140 Steel I-Beam Rods, 5.7 Inch, Press Pin
    Qty x 1
  • KB Claimer Chevy 350 Hypereutectic Pistons, Flat Top 4V, 5.7 Rod
    Qty x 1
  • King HP Series Chevy 350/400 Large Journal Engine Rod Bearings, Std
    Qty x 1
  • King MB 557HP HP Series Chevy 350 Large Journal Main Bearings
    Qty x 1

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