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 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

In this episode, Project Chevelle takes a big step in its muscle car transformation. It's out with the little old 307 and to the dyno with our new 383 from BluePrint Engines!

Project Chevelle Episode 8: 383 Engine, Part 1

Engine Family Facets

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Chevy Small Block V8 Gen 1 2-Piece Rear Main 383 Racing Edelbrock Sure Seat Valve Springs Parts

Chevy Small Block V8 Gen 1 2-Piece Rear Main 383 Racing Edelbrock Sure Seat Valve Springs Parts | Speedway Motors

Shop Chevy Small Block V8 Gen 1 2-Piece Rear Main 383 Racing Edelbrock Sure Seat Valve Springs Parts and get Free Shipping on orders over $175 at Speedway Motors.

Edelbrock 5802 Sure Seat Valve Spring, Single, 1.222 Inch

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Valve Spring Style

Number of Springs Per Valve

Notes

MFG. Part #

Damper Spring Included

Retainers Included

Locks Included

Coated

Valve Stem Seals Included

Inside Diameter of Inner Spring

GTIN Code

Coil Bind Height

Outside Diameter of Outer Spring

Inside Diameter of Outer Spring

Spring Rate

Standard Valve Spring Style, 255 lbs. Spring Rate

Edelbrock 5825 Sure Seat Valve Spring, Single, 1.460 Inch 

Overall Height

Standard Valve Spring Style, 1.130 in." Overall Height

Edelbrock 5703 Sure Seat Valve Spring, Single 1.265 Inch 

Standard Valve Spring Style

Edelbrock 5821 Sure Seat Valve Spring, Chevy/Ford

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Chevy Small Block V8 Gen 1 2-Piece Rear Main 383 Racing Edelbrock Sure Seat Valve Springs Parts

Brand

Product Line

Application

Race Type

Price

Products

Edelbrock 5802 Sure Seat Valve Spring, Single, 1.222 Inch

Edelbrock 5825 Sure Seat Valve Spring, Single, 1.460 Inch

Edelbrock 5703 Sure Seat Valve Spring, Single 1.265 Inch

Edelbrock 5821 Sure Seat Valve Spring, Chevy/Ford