Engines and Components› Cylinder Heads and Components

Edelbrock

Edelbrock Gen IV Chevrolet LS3 0.660in Maximum Lift E-Street Cylinder Heads

$1,565.95

SKU: E003 77618

In Stock
In Stock
Ships by Jun 11
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

Premium replacement 15-degree LS3 69cc cylinder heads (sold in pairs) for high-performance or stock GM LS3 engine builds. Engineered with factory architecture, allowing stock components to fit. Assembled with COMP Cams valvetrain, dual valve springs, chromoly steel retainers, heavy-duty stainless-steel valves, and top-quality valve seals.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandEdelbrock
Part NumberE003 77618

Videos

Edelbrock E-Series Cylinder heads

Edelbrock E-Series Cylinder heads
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Best Aluminum Heads for Small Block Chevy in 2026 [Top 5 Review]
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PSSSST-Are These Heads Any Good? TFS 225 VS LS3!
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SHOWCASE: 3RDCHLD's Supercharged C6 Corvette

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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