Home | Tag Archives: Cylinder Heads

Tag Archives: Cylinder Heads

RHS® Intake & Cam Packages For GM LS Cathedral Port Engines

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Memphis, TN – Get huge power gains to maximize the performance potential of your GM LS Cathedral Port engine with these matched and dyno tested RHS® Performance Packages. Developed on the dyno to maximize horsepower and RPM without sacrificing low-end torque, the RHS® Intake & Cam Packages offer two stages for naturally aspirated setups and two stages for forced induction ... Read More »

RHS® Pro Action™ Cylinder Heads for GM LS Cathedral Port Engines

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Memphis, TN – RHS® introduces its new Pro Action™ LS Cathedral Port cylinder head as a premium replacement head, ensuring great power on any performance or stock engine build. Available bare or assembled with premium COMP Cams® valve train components, these LS Cathedral Port heads are engineered with the same architecture as the factory head, and all stock components will ... Read More »

Speed Secrets: How Much Power Do You Get From Heads/Cam/Intake on an LS1?

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Speed Secrets, COMP Cams, FAST, and RHS team up on this test to see how much horsepower you can get out of 5.7-liter LS1 when you upgrade the heads, camshaft, and intake manifold. Truth be told, this combination of upgrades can be applied to an LS engine to get similar results you will soon see from the test. From the ... Read More »

RHS® Pro Action™ Rectangle Port Aluminum Cylinder Heads for GM LS3 Applications

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  Memphis, TN – RHS® introduces its new Pro Action™ Rectangle Port Aluminum Cylinder Heads as a premium LS3 replacement head, ensuring great power on any performance or stock engine build. Available bare or assembled with premium COMP Cams® valve train components, these LS3 heads are engineered with the same architecture as the factory head, and all stock components will ... Read More »

Speed Secrets: Cathedral vs Rectangular Port Cam For Your 408 Stroker Engine Cam Swap

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What happens when you upgrade from a factory camshaft to an aftermarket cam when you do the swap on a 408 stroker engine? Digging even deeper, what happens when you upgrade to an LS3 rectangular port style camshaft, on a stroker that’s equipped with cathedral-port cylinder heads? Let’s find out if this combination will work! When you look at the ... Read More »

Speed Secrets: Making Easy 350 SBC Power with Vortec Heads!

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Richard Holdener with Speed Secrets has paired up with Comp Cams to showcase some very wild builds over the years. A good portion of which required a fair amount of funding to accomplish, but a decent amount of horsepower gains doesn’t have to break the bank or leave your wallet empty. Starting off with a 350 cubic inch crate engine ... Read More »

Speed Secrets: L82 Small Block Chevy Heads/Cam/Intake Upgrades!

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When picking out cylinder heads to upgrade an engine, in general most people think in terms of flow. However there are many more considerations to be made about such a big decision that can make or “brake” a good engine build. To demonstrate the importance of choosing the right cylinder heads, Richard Holdener teamed up with Comp Cams and RHS ... Read More »

More Than Cams

Think of this stock, rebuilt 302 Ford as a blank canvas, with nothing but power potential!

Words and Photos: Richard Holdener By now, everyone should realize that COMP Cams offers an impressive array of cam grinds for most performance applications. You would be hard-pressed to find an application where they didn’t offer an off-the-shelf cam grind to suit your needs, but they also offer custom grinds for those wanting something special. After the factory adopted them, hydraulic-roller ... Read More »

GM High-Tech Performance – Room To Grow

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In the April issue of GM High-Tech Performance, the editorial team dyno’s its 376c.i. Camaro engine featuring a variety of COMP Performance Group™ components. The goal is to learn exactly what the power gains are with the aftermarket goodies. The power plant features RHS Pro Elite™ LS7 Cylinder Heads, a FAST™ LSXR™ 102mm Intake Manifold and Big Mouth™ Throttle Body, along ... Read More »

GM High-Tech Performance – LS7UP

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In their July 2012 issue, the editorial staff at GM High-Tech Performance makes a serious LS upgrade. Read about how they dig into the Racing Head Service Pro Elite™ Aluminum LS7 Cylinder Heads and install them on a 2010 LS3 Camaro. The project also features a FAST™ LSXR™ 102mm intake manifold and the COMP Cams LS Trunion Kit. Click on the link ... Read More »