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PRI 2021: Chevrolet Performance Improves On COPO LS Heads

Chevrolet Performance continues to improve its products. We take a look at the redesigned COPO supercharger heads for the LS.

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Project Boring 4-Valve Pt. 2 — The Cylinder Head And Valvetrain

While a mild build, there are still quite a few gains to be unlocked in the top end of the Boring 4-Valve's DOHC engine. Custom cams and some nifty valvetrain components will help this engine sing.

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Big And Tall: Chevy’s RS-X / ZZ632 Big-Block Cylinder Heads Are Huge

The bigger is better philosophy is alive and well with Chevy’s latest big block ZZ632 performance engine that punches out slightly more than 1,000 horsepower on 93 octane pump gas.  Standing tall...

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PRI 2022: Turn Your 5.3 LS Into A Beast With Brodix’s BR 3 Heads

GM's 5.3-liter LS engine is capable of making big horsepower. Brodix's new 5.3 LS cylinder heads are great for any 5.3-based engine build.

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CNC Worship: Inside Lingenfelter’s Ported 243/799 Cathedral Heads

Lingenfelter's porting program along with a valvetrain upgrade, will make for the perfect high-RPM cylinder head package. Add in a pair of Performance Design carbon fiber valve covers, and we have a...

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CC’ing Heads — How To Measure Your Combustion Chamber Volume

Measuring your cylinder head's combustion chamber volume is a critical step to ensure that you have your desired compression ratio. The process is straightforward and the tools are easy to use.

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PRI 2019: Brodix IK-Series Heads Combine Performance And Price

Brodix's new IK-Series has the features you want in an aluminum head at the price of an iron head. Ranging from as-cast 180cc heads to CNC-ported 210cc heads, the IK-series covers all the bases.

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Quench: Unlocking Performance Squished Between the Piston and Head

Get quench wrong and it could spell catastrophe; Get it right and you will unlock performance. We hit up Cometic Gaskets to give us some insight into optimizing quench area.

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PRI 2019: Brodix IK-Series Heads Combine Performance And Price

Brodix's new IK-Series has the features you want in an aluminum head at the price of an iron head. Ranging from as-cast 180cc heads to CNC-ported 210cc heads, the IK-series covers all the bases.

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CNC Worship: Inside Lingenfelter’s Ported 243/799 Cathedral Heads

Lingenfelter's porting program along with a valvetrain upgrade, will make for the perfect high-RPM cylinder head package. Add in a pair of Performance Design carbon fiber valve covers, and we have a...

View Article

Quench: Unlocking Performance Squished Between the Piston and Head

Get quench wrong and it could spell catastrophe; Get it right and you will unlock performance. We hit up Cometic Gaskets to give us some insight into optimizing quench area.

View Article

CNC Worship: Inside Lingenfelter’s Ported 243/799 Cathedral Heads

Lingenfelter's porting program along with a valvetrain upgrade, will make for the perfect high-RPM cylinder head package. Add in a pair of Performance Design carbon fiber valve covers, and we have a...

View Article

PRI 2022: Turn Your 5.3 LS Into A Beast With Brodix’s BR 3 Heads

GM's 5.3-liter LS engine is capable of making big horsepower. Brodix's new 5.3 LS cylinder heads are great for any 5.3-based engine build.

View Article


CNC Worship: Inside Lingenfelter’s Ported 243/799 Cathedral Heads

Lingenfelter's porting program along with a valvetrain upgrade, will make for the perfect high-RPM cylinder head package. Add in a pair of Performance Design carbon fiber valve covers, and we have a...

View Article

PRI 2022: Turn Your 5.3 LS Into A Beast With Brodix’s BR 3 Heads

GM's 5.3-liter LS engine is capable of making big horsepower. Brodix's new 5.3 LS cylinder heads are great for any 5.3-based engine build.

View Article


Quench: Unlocking Performance Squished Between the Piston and Head

Get quench wrong and it could spell catastrophe; Get it right and you will unlock performance. We hit up Cometic Gaskets to give us some insight into optimizing quench area.

View Article

Get Into The Groove — Contain Combustion With O-Rings Or Fire Rings

When power-adders raise combustion pressures to extreme levels, engine builders look for a little help from O-rings or fire-rings. The little metal wires can make a significant difference in...

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PRI 2019: Brodix IK-Series Heads Combine Performance And Price

Brodix's new IK-Series has the features you want in an aluminum head at the price of an iron head. Ranging from as-cast 180cc heads to CNC-ported 210cc heads, the IK-series covers all the bases.

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Awesome Airflow: Project Number Cruncher’s Dart Pro1 LS7 Top End

Project Number Cruncher's naturally-aspirated engine needed some serious airflow. To make that happen we selected Dart's Pro1 LS7 cylinder heads and intake.

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Budget Friendly Power: The LS1 Enforcer Cylinder Heads From AFR

AFR's new Enforcer cylinder head for the LS1 engine packs plenty of power for a small price. The Enforcer provides plenty of flow for NA applications looking for more power.

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Browsing all 1977 articles
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