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

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

How to maintain coolant temperature for a Big Block Chevy engine. Installation instructions for a double pass radiator and electric fan in a 1954 Chevy Bel Air.

454 Big Block Chevy Radiator Install

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

Take a look at a few of the rare and wonderful Chevy engines in the Museum of American Speed!

Historic Chevy Performance Engines

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

Engine Family Facets

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AC Shelby Cobra Chevy Big Block V8 Mark IV 396 L37 Headers and Exhaust Manifolds

AC Shelby Cobra Chevy Big Block V8 Mark IV 396 L37 Headers and Exhaust Manifolds | Speedway Motors

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Mr Gasket 2231G HeadLock Locking Header Bolts, BBC

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Thread Pitch

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Under Head Length

MFG. Part #

0.75" Under Head Length, 3/8"-16 Thread Pitch

Dynatech® 794-00116 Header Bolts, 3/8 x 3/4 Inch, Pack/16

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Finish

Color

Notes

Overall Length

1.05" Overall Length, 0.75" Under Head Length, Steel

Mr Gasket 917A 100 Header Bolts

1" Under Head Length, 3/8"-16 Thread Pitch, Steel

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AC Shelby Cobra Chevy Big Block V8 Mark IV 396 L37 Headers and Exhaust Manifolds

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Mr Gasket 2231G HeadLock Locking Header Bolts, BBC

Dynatech® 794-00116 Header Bolts, 3/8 x 3/4 Inch, Pack/16

Mr Gasket 917A 100 Header Bolts