Inside GM’s Gen V LT engine family: history, tech, and performance of each LT engine option available.

GM Gen V Engine Guide | LT & EcoTec3 Engine Specs Guide

Decode, ID, and upgrade your GM 12-bolt rear end. Learn axle specs, gear ratios, and best performance parts upgrades.

GM 12-Bolt Rear End Identification & Upgrade Guide

Learn more about GM steering column identification, GM steering column lengths, and GM steering column compatibility.

GM Steering Column Compatibility, Interchange & Repair Guide

Learn how to assemble a Gotta Show transmission cooler line kit for common GM transmissions. Jeff shares some helpful tips on measuring and cutting the braided stainless steel hose for an easier installation.

Assembling a GM Trans Cooler Line Kit - 1967 Chevelle

Learn how Zach replaces a transmission and breakaway converter in his 55 Chevy, with some helpful tips along the way.

Transmission Replacement on a 55 Chevy

Jeff demonstrates how to install the front runner drive system by Vintage Air in his 1967 Chevelle project car all while maintaining a simple, factory fresh look.

Installing a Front Runner Drive System - 1967 Chevelle

Not only is Greg Turner's '56 a great driver, it's full of great family memories. Built in the home garage by Greg and his sons, this clean Chevy has covered a lot of miles.

Greg's '56 Chevy

Derek kicks off his 55 Chevy rebuild with a fresh small block.

55 Chevy Engine Build

To keep this project moving forward, Jeff installs a gear reduction mini starter on his big block. See how to apply the mini starter on 153 or 168 tooth flexplates.

Installing a Gear Reduction Mini Starter - 1967 Chevelle

Engine Family Facets

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

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

Offenhauser 1st Gen GM F-Body Chevy 250 Parts

Offenhauser 1st Gen GM F-Body Chevy 250 Parts | Speedway Motors

Shop Offenhauser 1st Gen GM F-Body Chevy 250 Parts and get Free Shipping on orders over $175 at Speedway Motors.

Offenhauser 5414 1963-75 Chevy 6-Cylinder Triple Carb Intake Manifold

Material Type

Sold in Quantity

Finish

Intake Manifold Type

Carburetor Quantity

Carburetor Flange Type

Intake Section Included

Notes

Bolt Hole Pattern

MFG. Part #

Fuel System Type

Port Height

Port Width

Carbureted Fuel System Type, Three Carburetor Quantity

Offenhauser 5417 Chevy 6-Cylinder Finned Valve Cover

Valve Cover Mounting Style

Baffled

Overall Height

Overall Width

Overall Length

Hole Diameter

Depth

Perimeter Bolt Valve Cover Mounting Style, Aluminum

Offenhauser 5415 1963-75 Chevy 6-Cylinder Dual Carb Intake Manifold

Garage Sale Type

Carbureted Fuel System Type, Two Carburetor Quantity

Best Match

Price High To Low

Price Low To High

Highest Rated

New Arrivals

Offenhauser 1st Gen GM F-Body Chevy 250 Parts

Category

Part

Brand

Product Line

Availability

Engine Code

Discounts

Platform

Price

Customer Rating

Products

Offenhauser 5414 1963-75 Chevy 6-Cylinder Triple Carb Intake Manifold

Offenhauser 5417 Chevy 6-Cylinder Finned Valve Cover

Offenhauser 5415 1963-75 Chevy 6-Cylinder Dual Carb Intake Manifold