Big And Tall: Chevy’s RS-X / ZZ632 Big-Block Cylinder Heads Are Huge
When Chevrolet Performance released the ZZ632 big-block earlier this year, they included a new style of cylinder head. Built on Pro-Stock R&D efforts, the RS-X head has hints of LS development as...
View ArticlePRI 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 ArticlePRI 2017: CFE’s Billet Hemi Heads Are Designed To Win Races
Making big power and setting records--while winning races--is a hallmark of CFE Racing's business. Check out their billet Hemi heads, built to do just that.
View ArticleSEMA 2019: LS, Small-, and Big-Block ‘Econoline Heads’ From AFR
During the 2019 SEMA Show held in Las Vegas, Air Flow Research (AFR) debuted its Econoline heads, a budget, entry-level cylinder head for the street guy with a big-block or small-block Chevy.
View ArticleVideo: On The Dyno With Edelbrock’s Gen-III Hemi Cylinder Heads
The Gen-III Hemi is an impressive powerplant, but even the mighty Hemi can benefit from a set of aftermarket cylinder heads. Prestige Motorsports dyno tests Edelbrock's RPM Hemi heads to see what they...
View ArticleBig And Tall: Chevy’s RS-X / ZZ632 Big-Block Cylinder Heads Are Huge
When Chevrolet Performance released the ZZ632 big-block earlier this year, they included a new style of cylinder head. Built on Pro-Stock R&D efforts, the RS-X head has hints of LS development as...
View ArticleSEMA 2019: LS, Small-, and Big-Block ‘Econoline Heads’ From AFR
During the 2019 SEMA Show held in Las Vegas, Air Flow Research (AFR) debuted its Econoline heads, a budget, entry-level cylinder head for the street guy with a big-block or small-block Chevy.
View ArticleBavarian Respiratory Therapy: Boosting The BMW S54 Cylinder Head
This BMW S54 inline-six-cylinder head gets prepared for boost before hitting the drift circuit. Some well-engineered and executed airflow improvements result in big horsepower gains.
View ArticleBudget Big-Block Cylinder Heads You Need For Your Engine
There is no arguing that big-block cylinder heads can get pricey. To make sure you spend your cash wisely, here are some great budget-friendly options.
View ArticleBoosted Coyote Pt. 3 – Livernois Race Series Top End Comes Together
The third installment of Boosted Coyote's engine build, we look at the Livernois Race Series top end and valvetrain. With the completion of this, the engine can head back home to get ready for the dyno.
View ArticleHeads, Cam, And Valvetrain Make Up The Soul Of Project Evil’s SBF
KBX tackles the top-end of Project Evil's small-block Ford build with canted-valve heads and a valvetrain fit for a king. With almost an inch of lift and open pressure over 1,000 pounds, this is...
View ArticleBavarian Respiratory Therapy: Boosting The BMW S54 Cylinder Head
This BMW S54 inline-six-cylinder head gets prepared for boost before hitting the drift circuit. Some well-engineered and executed airflow improvements result in big horsepower gains.
View ArticleMaking Power: Project Number Cruncher’s SAM Tech-Built Top End
Project Number Cruncher's 427 cubic-inch LS engine, built by Sam Tech, is one stout mill. Join us for a tour of the engine's top end, valvetrain, fuel injectors, and the final dyno output.
View ArticleBudget Big-Block Cylinder Heads You Need For Your Engine
There is no arguing that big-block cylinder heads can get pricey. To make sure you spend your cash wisely, here are some great budget-friendly options.
View ArticleBoosted Coyote Pt. 3 – Livernois Race Series Top End Comes Together
The third installment of Boosted Coyote's engine build, we look at the Livernois Race Series top end and valvetrain. With the completion of this, the engine can head back home to get ready for the dyno.
View ArticleHeads, Cam, And Valvetrain Make Up The Soul Of Project Evil’s SBF
KBX tackles the top-end of Project Evil's small-block Ford build with canted-valve heads and a valvetrain fit for a king. With almost an inch of lift and open pressure over 1,000 pounds, this is...
View ArticleMaking Power: Project Number Cruncher’s SAM Tech-Built Top End
Project Number Cruncher's 427 cubic-inch LS engine, built by Sam Tech, is one stout mill. Join us for a tour of the engine's top end, valvetrain, fuel injectors, and the final dyno output.
View ArticlePRI 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.
View Article24 Year-Old Facelift: Refreshing GT40 Cylinder Heads With Engine Pro
With some parts from Engine Pro and a little elbow grease, we take these old small-block Ford heads and give them a new lease on life. You can do the same at home with just a little effort.
View ArticleWhy Cylinder Head Low And Mid-Lift Flow Numbers Are Important
Low and mid-lift flow numbers are what help a set of heads make power. We look at what these numbers mean and why they're so important.
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