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  1. Engine Builder Magazine
    https://www.enginebuildermag.com › a-guide-to-ls-cylinder-heads

    A Guide to LS Cylinder Heads - Engine Builder Magazine

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    • Images of Best LS3 Cylinder Heads

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    • Brian Tooley Racing
      https://briantooleyracing.com › cylinder-heads...

      Assembled cylinder heads for LS engines - Brian Tooley Racing

    • LS Engine DIY
      https://www.lsenginediy.com › gen-iv-ls-cylinder...

      Gen IV LS Cylinder Head Shootout! Choose the Best for Power

    • MotorTrend
      https://www.motortrend.com › how-to

      New Product Test: AFR’s LS3 Cylinder Heads

      Jul 14, 2017 · New from AFR, the LS3 heads featured -inch thick decks and a 450-pound dual-spring package to allow for high-lift and plenty of rpm potential. The 260-cc intake ports flowed 384 cfm, enough to...

    • MotorTrend
      https://www.motortrend.com › how-to

      LS Cylinder Heads: Shootout and Cam Test - MotorTrend

      Apr 14, 2020 · We dyno test a 6-liter LY6 LS engine with three stock-style cylinder heads from EngineQuest and a camshaft from Comp Cams.

    • Engine Builder Magazine
      https://www.enginebuildermag.com › ma…

      Making the Most of LS Cylinder Heads - Engine Builder …

      Jan 20, 2021 · We’ve got LS3-style replacements. We’ve got a retro series for the LS3 and the LS7, which is a direct bolt-on replacement for those applications, and then we go into the LSW-12-1, 12-3 and 12-4. Some of those heads will …

    • People also ask
      Which cylinder heads are best for LS engines?
      One of the newer head manufacturers on the scene is Frankenstein Engine Dynamics. The Weatherford, TX-based company caters to folks looking for all levels of horsepower potential out of their LS engines. “Our highest volume movers are most certainly our F series cylinder heads,” says Frankenstein’s Mike Shabareck.

      Making the Most of LS Cylinder Heads - Engine Builder Magazine

      enginebuildermag.com
      What cylinder heads fit a Chevrolet LS3?
      Fit any LS engine with Chevrolet Performance LS3 cylinder heads. Manufactured from aluminum alloy, these GM stock replacement heads are assembled with intake and exhaust valves, stem seals, retainers, springs, and locks. Great cylinder head airflow has always supplied the LS Series with exceptional performance.

      Chevrolet Performance LS3 Cylinder Heads - Summit Racing

      summitracing.com
      What is a cylinder head LS3 & LS7?
      Working with the intake and camshaft, the cylinder heads are part of the trio of performance components that dictate the power output of the engine. In the case of the LS3 and (especially) LS7, the factory heads offer exceptional airflow.

      Gen IV LS Cylinder Head Shootout! Choose the Best for Power

      lsenginediy.com
      Can LS3 cylinder heads be improved?
      One of the critical components of any LS combination is the cylinder heads. As luck (or design) would have it, the LS3 was blessed with plenty of head flow right from the factory, but that doesn’t mean the stock heads can’t be improved on. Case in point, the Trick Flow Gen X 255 LS3 heads.

      Gen IV LS Cylinder Head Shootout! Choose the Best for Power

      lsenginediy.com
      Which LS head is best?
      The 862 head, commonly found on the 4.8 LS and some 5.3s, is a popular, well performing option with the slightest increase in chamber volume over the popular 706 heads. Best LS Heads for 5.3 The 5.3 LS engine is one of the most popular engines of the LS engine family, seeing enormous potential for cheap horsepower in LS twin turbo applications.

      Best LS Heads for 6.0/5.3/4.8 | Cathedral Port Heads vs Rectangular

      speedwaymotors.com
      Are LS3 heads enough for a crate engine?
      Because the stock LS3 heads support well over 600 hp, they were more than enough for this stock crate engine. The head swap would be worth much more than 16 ft-lbs on the right application. Since both the AFR 245 cathedral-port and factory LS3 heads used for this test flowed so well, I made sure I had a solid test engine for the comparison.

      Gen IV LS Cylinder Head Shootout! Choose the Best for Power

      lsenginediy.com
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    • OnAllCylinders
      https://www.onallcylinders.com

      LS3 6.2L Engine Upgrade Guide: Expert Advice for LS3 …

      Nov 16, 2017 · From the best headers & intake to cam swaps & beyond, here's a step-by-step performance upgrade guide for the LS3 6.2L LS engine.

    • Speedway Motors
      https://www.speedwaymotors.com › the-toolbox

      Best LS Heads for 6.0/5.3/4.8 | Cathedral Port Heads vs Rectangular

    • LSXceleration
      https://www.lsxceleration.com

      GM LS3 Cylinder Heads at LSXceleration

    • Summit Racing
      https://www.summitracing.com › ... › product-line

      Chevrolet Performance LS3 Cylinder Heads - Summit Racing