Product Summary

3.850" Engine Stroke, H-Beam Connecting Rod Type

  • Specifically designed for the Small Block Ford 396 Stroker engine
  • Pistons are made from hypereutectic aluminum and weigh only 541 grams
  • The stroker crank is made from 80-60-06 cast steel for added durability
  • Wrist pins have a .9120" diameter and weigh just 143 grams
  • Assemblies will work for either street or race use

Comes as a Kit

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Key Specs

MFG. Part #915397
BrandSpeedway Motors
Connecting Rod TypeH-Beam
Piston StyleDish
Piston MaterialHypereutectic Aluminum
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Need To Know

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Speedway Motors 915397 Details

These rotating assemblies are designed for either street or race use and include Keith Black hypereutectic pistons, H-beam rods, and a Scat cast steel crankshaft.

  • Scat Cast Steel 3.85" stroker crank
    • 80-60-06 cast steel construction
    • Fits early and late blocks
  • 4340 H-beam connecting rods
    • 5.955" length
    • .912" pin
    • Bronze bushings
  • Keith Black Hypereutectic Dish Pistons
    • T6 heat treated construction
    • Available in .030" or .040" oversizes
  • Clevite main and rod bearings

NOTE: Piston rings (Style A rings) are not included and must be purchased separately.

Due to the many variations in balancers and flywheels, Speedway Motors does not offer balancing services on any Ford crankshafts or rotating assemblies.

Item Details

Comp. 64cc: 9.5
Comp. 69cc: 9.1
Ring Style: A

Speedway Motors 915397 Specifications

KEY SPECS
MFG. Part #915397
BrandSpeedway Motors
Connecting Rod TypeH-Beam
Piston StyleDish
Piston MaterialHypereutectic Aluminum
GENERAL
Engine Stroke3.850"
Connecting Rod Length5.956"
Piston Weight541 grams
Piston Ring StyleA
Crankshaft MaterialCast Steel
Wrist Pin Diameter.9120"
Wrist Pin Weight143 grams
Bearing UndersizeStandard
Narrowed BearingNo
Coated BearingNo
Sold in QuantityKit

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Yup

5.0

4 years ago

Buzz's RodShop

Prince George B.C. Canada

Verified

Nice stuff guys, very happy! Going together now, should make noise real soon. Thanks a bunch 😁👋

Would Recommend

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Questions & Answers

6 Questions • 6 Answers

Can these be used with twisted wedge heads?

by Willijiggles

• 2 years ago

1 answer

what compresion with 58cc head?

by chris

• 4 years ago

1 answer

can this crank and rod and piston set up as sold be used in a 302 ford block or does it have to be used in a 351 windsor ford block only

by MJ98

• 8 years ago

1 answer

How much horse power can this kit handle

by Dfleeton

• 9 years ago

1 answer

Can flat top pistons be substituted?

by Neaaly

• 9 years ago

1 answer

Is this kit available with .060 over pistons?

by Mater

• 11 years ago

1 answer

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