Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

Small Block and Big Block Chevy Engine Flexplate Guide

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

Chevy Small Block Casting Numbers

In this Tech Tip, John answers a customer concerns about adding additional drop to his 1960-1972 Chevy truck.

Additional Drop on a Chevy Truck

Engine Family Facets

707063f6-5cf0-44d1-8e1f-49059e48addf

3fe4cfeb-d42e-4b60-a312-2940d324f962

Hays Oldsmobile 1-Piece Rear Main 305 LB9 Truck Accessories Parts

Hays Oldsmobile 1-Piece Rear Main 305 LB9 Truck Accessories Parts | Speedway Motors

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Hays 85-102 Clutch Kit, 10.5 Inch Diameter, Buick/Chevy Pontiac

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Friction Material

Spline Count

Hardware Included

Flywheel Included

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Pressure Plate Style

Disc Style

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Throwout Bearing Included

Alignment Tool Included

Pilot Bushing Included

Counterweight Assist

MFG. Part #

GTIN Code

10.5" Diameter, Organic Friction Material

Hays 85-100 Clutch Kit, 10.5 Inch Diameter, Chevy/Pontiac/Buick

Hays 85-112 Clutch Kit, 11 Inch Diameter, Chevy/Pontiac/Buick

11" Diameter, Organic Friction Material

Hays 85-113 Clutch Kit, Street/Strip, Diaphragm, 11 Inch, GM

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Hays Oldsmobile 1-Piece Rear Main 305 LB9 Truck Accessories Parts

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Hays 85-102 Clutch Kit, 10.5 Inch Diameter, Buick/Chevy Pontiac

Hays 85-100 Clutch Kit, 10.5 Inch Diameter, Chevy/Pontiac/Buick

Hays 85-112 Clutch Kit, 11 Inch Diameter, Chevy/Pontiac/Buick

Hays 85-113 Clutch Kit, Street/Strip, Diaphragm, 11 Inch, GM