Product Summary

  • Easy to install: Offers accurate and consistent relationship between cam and crankshaft
  • Precision machined from 8620 carburized steel, Noisy Gear Drive, Adjustable advance and retard to degree the cam, Fits under stock or aftermarket timing cover
  • Will not fit factory SBC roller cams
  • S/B or B/B Chevy
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Key Specs

MFG. Part #91578410
BrandSpeedway Motors
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Need To Know

Quick and Easy Returns

Return Policy

Speedway Motors 91578410 Details

The superior quality of these Speedway Premium Gear Drives makes them the choice of engine builders everywhere. Fits 1965-1990 396-454 Big Block Chevy V8.

  • All gears are 8620 carburized steel
  • Cam gear has press-fit Torrington bearing
  • Timing adjusted with dowel pin inserts or 3 keyway crank
  • Includes cam button, lockplate, and bolts
  • Noisy

Application

Chevy 396-454 V8 (1965-1990)

Charts

Speedway Motors 91578410 Specifications

KEY SPECS
MFG. Part #91578410
BrandSpeedway Motors

Ratings & Reviews

5

3 Reviews

Overall Assessment

Customers appreciate the product for its seamless fit and impressive sound quality. Its practicality is specifically noted in the ease of installation, making it a user-friendly choice. Composed with high-quality materials, and produced in the USA, it is regarded as a cost-effective purchase. Users particularly vouch for its distinctive camshaft gear drive sound. Many have found it to be a superior choice, recommending it as a reliable part for car modification, especially when compared to competitor products.

5

3 reviews

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I would buy again no problem .

5.0

3 years ago

Sparky

Vancouver,Wa

Verified

Parts fit as they should and shipping was great and packaged well to protect in shipping in all good purchase!

Would Recommend

I would buy this product again

5.0

6 years ago

D man

Pontiac illinois

Verified

Had to do miner matching to fit aluminum edelbrock timing cover

Would Recommend

Perfect Sound from a Gear Drive!

5.0

9 years ago

Kevin W

Lincoln, Ne

Verified

This gear drive has a great sound you would expect a gear drive would have. The perfect choice for my 54 BelAir with a 454. Installation was a breeze. High quality USA made part with a very affordable price. You can't go wrong with this one if you are wanting the distinct sound of a camshaft gear drive.

Would Recommend

Showing 3 of 3 reviews

Questions & Answers

1 Question • 1 Answer

Will this work with a tall deck 427 truck block?

by Ron

• 7 years ago

1 answer

1 of 1 questions shown

Fitment

  • 396 Chevy Big Block V8

  • 396 Chevy Big Block V8

  • 427 Chevy Big Block V8

  • 402 Chevy Big Block V8

  • 454 Chevy Big Block V8

  • 454 Chevy Big Block V8

  • 396 Chevy Big Block V8

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  • 427 Chevy Big Block V8

  • 402 Chevy Big Block V8

  • 454 Chevy Big Block V8

  • 396 Chevy Big Block V8

  • 427 Chevy Big Block V8

  • 402 Chevy Big Block V8

  • 454 Chevy Big Block V8

  • 396 Chevy Big Block V8

  • 402 Chevy Big Block V8

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  • 396 Chevy Big Block V8

  • 402 Chevy Big Block V8

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  • 402 Chevy Big Block V8

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  • 402 Chevy Big Block V8

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  • 402 Chevy Big Block V8

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  • 454 Chevy Big Block V8

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  • 402 Chevy Big Block V8

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  • 427 Chevy Big Block V8

  • 402 Chevy Big Block V8

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  • 402 Chevy Big Block V8

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  • 402 Chevy Big Block V8

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  • 402 Chevy Big Block V8

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  • Chevy Big Block V8 Gen 5 454 L19

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  • 402 Chevy Big Block V8

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  • 402 Chevy Big Block V8

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  • Chevy Big Block V8 Mark IV 454 LS5

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  • Chevy Big Block V8 Gen 5 454 L19

  • Chevy Big Block V8 Gen 6 ZZ454 454

  • 402 Chevy Big Block V8

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  • 402 Chevy Big Block V8

  • Chevy Big Block V8 Gen 5 454 L19

  • Chevy Big Block V8 Gen 6 ZZ454 454

  • 454 Chevy Big Block V8

  • 396 Chevy Big Block V8

  • 402 Chevy Big Block V8

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  • 454 Chevy Big Block V8

  • Chevy Big Block V8 Mark IV 454 L19

  • Chevy Big Block V8 Gen 5 454 L19

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Customer Impersonation Script