Use this racing seat guide to choose fixed-back or reclinable seats, match brackets and sliders, improve driving position, and build with confidence.

Follow thermostat replacement steps that protect your engine, restore stable temperatures, and help you choose the right thermostat and gasket for a car.

Learn how to install short throw shifter upgrades with fitment checks, smart adjustment tips, and road-test steps for crisp, confident shifts every day.

Know when brake lines need replacement, spot corrosion and leaks early, and choose the right repair to keep your street car or truck stopping hard today.

California’s SB 1069 lets experienced manufacturers seek conditional approval for tested aftermarket parts while CARB finishes its EO review. It does not legalize every modification.

Volkswagen is recalling 208,724 U.S. vehicles after a steering-rack mounting bolt was found capable of corroding and breaking. Here are the reported models and how to check your VIN.

An LS1 crankshaft can look usable while hiding structural damage. Learn how magnetic-particle inspection helps reveal crankshaft cracks and why a cracked LS crank should be replaced.

LS1 crankshaft runout is checked at the No. 3 center main journal with a dial indicator. Learn how to measure crankshaft straightness, identify excessive runout, and determine whether an LS crank may be bent before assembling the short block.

Get sound deadening installation tips for cleaner audio, less road noise, and a tighter cabin without wasting material, time, or money on your build today.

Scratching an LS1 cam bearing during camshaft installation can contribute to reduced oil pressure. Learn how to properly lubricate, support, align, and guide the camshaft through the block without damaging the cam bearings.