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Part # 9151035

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

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  • Fits 350/383 Chevy Small Block V8
  • Kit includes new 1-pc rear main seal crank, rods and pistons
  • Forged 5140 Steel connecting rod

$841.99

kit

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$909.00

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Product Summary

350, 383, 350 mains Main Journal Style

  • Fits 350/383 Chevy Small Block V8
  • Kit includes new 1-pc rear main seal crank, rods and pistons
  • Forged 5140 Steel connecting rod
  • Cast steel crankshaft
  • Flat Top w/ 2 valve reliefs piston style made from hypereutectic aluminum

Comes as a Kit

Key Specs

MFG. Part #9151035
BrandSpeedway Motors
Connecting Rod TypeI-Beam
Piston StyleFlat Top w/ 2 valve reliefs
Piston MaterialHypereutectic Aluminum

Need To Know

This Product Will Ship Free

Quick and Easy Returns

Details

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     

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

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

Specifications

KEY SPECS
MFG. Part #9151035
BrandSpeedway Motors
Connecting Rod TypeI-Beam
Piston StyleFlat Top w/ 2 valve reliefs
Piston MaterialHypereutectic Aluminum
GENERAL
Main Journal Style350 mains
Engine Stroke3.750"
Connecting Rod Length6.000"
Connecting Rod MaterialForged 5140 Steel
Connecting Rod Weight585 grams
Connecting Rod Bolt Diameter3/8"
Piston Weight425 grams
Piston Ring StyleC
Crankshaft MaterialCast Steel
Rear Main Seal Style1-piece
Wrist Pin Diameter.9272"
Wrist Pin Weight102 grams
Main Journal Diameter2.448"
Rod Journal Diameter2.10"
Bearing ConstructionBi-metal
Bearing UndersizeStandard
Narrowed BearingYes
Coated BearingNo
Sold in QuantityKit