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

Jarry and Ryan Givens are father and son, and this pair of Novas proves the apple doesn't fall far from the tree!

70 and 71 Chevy Novas

Engine Family Facets

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

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

Schoenfeld 75-79 Nova GM X-Body Chevy Small Block V8 Gen 1 2-Piece Rear Main 302 Parts

Schoenfeld 75-79 Nova GM X-Body Chevy Small Block V8 Gen 1 2-Piece Rear Main 302 Parts | Speedway Motors

Shop Schoenfeld 75-79 Nova GM X-Body Chevy Small Block V8 Gen 1 2-Piece Rear Main 302 Parts and get Free Shipping on orders over $199 at Speedway Motors.

Schoenfeld 166 Small Block Chevy Street Stock Headers

Material Type

Sold in Quantity

Finish

Color

Header Tube Type

Exhaust Port Shape

MFG. Part #

Gasket(s) Included

Hardware Included

Port Height

Drivers Side Dimension A

Drivers Side Dimension B

Drivers Side Dimension C

Collector Length

Port Width

Passenger Side Dimension B

Flange Thickness

Flange Style

Weld-Up

Collector Reducers Included

Collector Attachment Type

Collector Diameter

Primary Tube Diameter

Passenger Side Dimension A

Passenger Side Dimension C

Chassis Header Tube Type, Square Exhaust Port Shape

Best Match

Price High To Low

Price Low To High

Highest Rated

New Arrivals

Schoenfeld 75-79 Nova GM X-Body Chevy Small Block V8 Gen 1 2-Piece Rear Main 302 Parts

Brand

Product Line

Availability

Engine Code

Platform

Price

Customer Rating

Products

Schoenfeld 166 Small Block Chevy Street Stock Headers