Since 1952
America's Oldest Speed Shop ®
Speedway Motors Bill Smith
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Summers Brothers Gear Drive
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Designed for S/B Chevy, this drive uses Torrington needle bearings for rear and forward thrust control. B/B Chevy also uses forward and rear thrust bearings. All drives fit under stock timing chain covers.
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    Shaver-Wesmar Small Block Chevy Gear Drive, Standard Cam Height

    Ron Shaver and Bob Westphal have combined their 70+ years experience in the sprint engine building business to create the ultimate gear drive.

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    • Fits most small block Chevys
    • Highly adjustable and easy to install