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

Learn about the wiring of GM HEI Ignition Distributors with our diagrams and guide.  Ensure you are getting the best performance out of your ignition system.

GM HEI Ignition Distributor Wiring Diagrams and Guide

Kevin W. walks through each step of installing a new alternator bracket on a 454 Big Block Chevy.

Alternator Bracket Install on a 454 Big Block Chevy

Tim M. continues his quest to breathe life into a tired old 241 Dodge baby Hemi. This round, Tim dives into giving the 241 an electrifying makeover, courtesy of a Pertonix electronic ignition system, all cleverly hidden inside existing hardware.

241 Dodge Hemi Distributor Rebuild

How to install a chrome radiator hose kit and aluminum thermostat housing on a big block Chevy for an added touch to your engine bay.

Radiator Hose Replacement - Big Block Chevy

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

Upgrading the Cooling System for a Small Block Chevy

Speedway Motors employee Tim M. has been chipping away steadily at his '29 roadster for awhile now. This time Tim tackles one of the big pieces, the long block rebuild of his 241 Red Ram Hemi.

241 Hemi Long Block Rebuild Part One

Choosing new wheels for a GMC Chevrolet truck. This project uses Speedway Motors GM Rally Wheels and new tires to enhance the appearance of the truck.

GM Rally Wheels

Heath P. tells his story on how the passion for 'hot rodding' was instilled in him by his grandfather. From driving tractors on their family farm to becoming a Ford family, you are in for a good read.

For the Love of the Flathead V8

Engine Family Facets

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GMC PM251 Big Block Chevy Distributor and Magneto

GMC PM251 Big Block Chevy Distributor and Magneto | Speedway Motors

Shop GMC PM251 Big Block Chevy Distributor and Magneto and get Free Shipping on orders over $175 at Speedway Motors.

GMC PM251 Big Block Chevy Distributor and Magneto

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