Here's our attempt to do the impossible: pick a favorite GM truck design!

Pick a Side: What Was the Best Generation of GM Trucks?

Building GM’s LQ4 6.0L Gen 3 LS engine for various power levels is easy with the right performance parts recipe.

LQ4 Engine Build Upgrades | Recipes for 500HP - 1,000HP

In this Tech Tip, a customer asked about using a set of Small Block Chevy Sprint Roadster headers for his trike, powered by a stock 305.

Speedway Roadster Headers for a 305 Trike

Old trucks are just meant to have manual transmissions. They're made even better with a modern overdrive like a Tremec TKX. Watch our C10 manual transmission conversion on an LS-swapped '68 to see just how easy it is to row your own gears,

How to Manual Swap a C10 Truck | 1967-1972 C10 Tremec Install

This article demonstrates how to install a complete Winters quick change kit with additional parts including birdcages, brackets, and calipers for a modified race car.

Quick Change Bolt On Components for a Modified Race Car

Pat talks about our 67-72 pickup rear end housing and some of the options we have for it.

Speedway Tech Talk - Beef Up Your '67 - '72 GM Truck

Learn a few tips on how to properly mount Modified bodies and some products that will help get your race car body fabrication job done!

How to Mount a Modified Race Car Body

In order to be competitive and win, it's important to find the right set up that works for you and your car. Here's some general reminders to remember during set up!

Setting Up Your Modified Race Car

Learn how to lower a hot rod by modifying the axles and some history behind early hop ups. This project features a Ford axle with wishbones for a Model A.

Modifying Axles to Lower a Hot Rod

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

Engine Family Facets

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Modified GMC 305 V6 Parts

Modified GMC 305 V6 Parts | Speedway Motors

Shop Modified GMC 305 V6 Parts and get Free Shipping on orders over $199 at Speedway Motors, the Racing and Rodding Specialists. Modified GMC 305 V6 Parts in-stock with same-day shipping.

Hays 85-112 Clutch Kit, 11 Inch Diameter, Chevy/Pontiac/Buick

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Friction Material

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Flywheel Included

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Pressure Plate Style

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Alignment Tool Included

Pilot Bushing Included

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11" Diameter, Organic Friction Material

Mr Gasket 2661 Chrome Water Neck, 1966-75 Chevy V8

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Mr Gasket 9845 Chrome Water Neck, SBC/BBC

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Tube I.D.

Straight Angle, 1.25" Tube I.D.

Mr Gasket 2661 Chrome Water Neck w/180 HF Thermostat Kit,66-75 GM

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Modified GMC 305 V6 Parts

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Hays 85-112 Clutch Kit, 11 Inch Diameter, Chevy/Pontiac/Buick

Mr Gasket 2661 Chrome Water Neck, 1966-75 Chevy V8

Mr Gasket 9845 Chrome Water Neck, SBC/BBC

Mr Gasket 2661 Chrome Water Neck w/180 HF Thermostat Kit,66-75 GM