RHS

Starting Over: RHS block foundation for Corvette LS7 Build

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When Chad Reese downshifted his 2006 Z06 and planted his foot to the floor, his intention was to show the guy in the Cadillac CTS-V his taillights. Instead, he found himself rolling to the side of the road in an embarrassing cloud of smoke. His engine wasn’t cooperating and had decided to grenade itself instead. Apparently, this is a bit ... Read More »

RHS Pro Elite LS7 heads offer HP gains with bolt-in simplicity

RHS offers its Pro Elite LS7 cylinder heads in 291cc and 307cc configurations to suit a wide range of street and race applications. They’re available fully CNC-ported or as raw castings. For older 3.900-inch-bore LS motors, RHS offers a 266cc small-bore variant as well. All Pro Elite LS7 heads are compatible with both stock and aftermarket intake manifolds.

Improving upon a set of mediocre OE cylinder heads is easy. Simply open up the bowls and back-cut the valves on a set of Gen I small-block Chevy heads, and — bam — an extra 20-30 horsepower is yours. Up the ante to a set of GM LS7 castings, however, and wringing out any additional airflow proves much more difficult. ... Read More »

Product Spotlight Video: RHS Pro Elite LS7 Aluminum Cylinder Heads

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Memphis, TN – The latest video from RHS covers all of the ins and outs of the brand’s revolutionary aluminum cylinder heads for LS7 applications. As LS engines have evolved and grown ever more popular, the airflow specialists at RHS have kept pace by developing a new line of heads specifically for the LS7 power plant. In this video, COMP Performance Group ... Read More »

Product Spotlight Video: RHS 23° SBC Intake Manifold

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Memphis, TN – In this video, COMP Performance Group™ VP of Engineering, Brian Reese, discusses the features and state-of-the-art engineering techniques that went into the creation of the RHS® 23° SBC Intake Manifold. There are a lot of Small Block Chevy intake manifolds on the market, but many were designed years ago. The RHS® 23° SBC Intake Manifold stands out ... Read More »

COMP Performance Group Launches LS Power Magazine

LS Power Magazine

Memphis, TN – With versatile GM LS engines more popular than ever, the COMP Performance Group™ has created its own publication devoted solely to these power plants in the form of LS Power. Billed as “The Resource Guide for LS Performance,” LS Power is designed to inform, educate and entertain enthusiasts with a wide variety of LS-specific content. Intended to ... 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 »

Chevy High Performance – LQ = HP

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In the February 2012 issue, the Chevy High Performance staff drops a 6.0L LQ9 GM Gen III truck engine, originally found in a variety of mid 2000s General Motors trucks and SUVs, into a ’66 Chevelle. The engine package features an XR281HR camshaft from COMP Cams, along with RHS Pro Action Cylinder Heads with Clean Cast Technology™ and a 168-tooth internal ... Read More »

GM High-Tech Performance – Clean Cast And Fast

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In the January 2012 issue, the team at GM High-Tech Performance bolts a set of aluminum RHS Pro Action™ Cylinder Heads featuring Clean Cast Technology™ to an LS1 engine in an attempt to create true budget performance. The package is finished off with a custom grind hydraulic roller cam, along with a set of pushrods a new adjustable timing set, ... Read More »

Super Chevy – Swap Til Ya Drop

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Richard Holdener and Super Chevy magazine net a 43 horsepower gain without losing bottom-end power by swapping in RHS LS1 Cylinder Heads. Click on the attachment below to read the full article. We also encourage you to pick up the August 2011 issue of Super Chevy magazine. Click on the link to see the Super Chevy PDF. Read More »

Camaro Perfomers – Bigger On The Inside

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Steven Rupp with Camaro Performers discovers how to get big block displacement in a small-block package with the powerful RHS GM LS Race Block. Click on the attached PDF below to read the full article. We also encourage you to pick the July 2011 issue of Camaro Performers. Click on the link to see the Camaro Performers PDF. Read More »