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Home News Build your own beast! Mopar launches 807HP Redeye Hellcrate

Build your own beast! Mopar launches 807HP Redeye Hellcrate

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Now you can amp up your ride with the Hellcrate Redeye engine from Mopar. (Photo courtesy Mopar)

Adding to an impressive crate engine lineup, Mopar now is offering a 807 horsepower “Hellcrate Redeye supercharged HEMI crate engine option. For a rather significant investment, you can order one of these new engines to significantly amp up your ride.

This engine, found in Dodge Challenger SRT Demon, also puts out 717 pound-feet of torque and includes a larger 2.7-liter supercharger able to wish stand an uprated 14.5 psi boost with a higher 6,500 RPM redline. This is even more horsepower and torque than found in the really quick 2021 Dodge Durango Hellcat.

Hellcrate Redeye
Imagine having 807 horsepower under the hood! (Photo courtesy FCA)

Hellcrate Redeye package

The whole list of features include:

  • Larger supercharger — 2.7 liters versus 2.4 liters
  • Increased boost pressure: 14.5 psi versus 11.6 psi
  • Higher RPM limit: 6,500 RPM versus 6,200 RPM
  • Forged alloy steel crankshaft with 90.9-millimeter stroke and revised balancing
  • Induction-hardened crank bearing surfaces; individual journal optimized main bearing clearances
  • 5150 alloy gun-drilled camshaft optimized for high rpm performance and decreased weight
  • Forged high-strength alloy pistons; 30-micron increased piston-to-bore clearance
  • Powder-forged connecting rods; upgraded shank and big end; revised ultra-high tensile fasteners
  • 100% increase in piston-cooling jet flow
  • Revised valve-spring design with 33 percent increase in oiling for valve springs and rocker tips for improved lubrication and cooling
  • Single-groove collets on valve stems for improved stability
  • Oil pan and windage tray optimized for high acceleration — tested up to 1.8 g
  • Each engine is dyno-tested for 42 minutes before being shipped

This complete engine assembly includes a supercharger with throttle body, fuel injectors, coil packs, water pump, front sump oil pan and flexplate.

Mopar says, builders who prefer a manual transmission can purchase the following:

  • Flywheel (part No. 05038113AD)
  • Flywheel to crankshaft bolts (part No. 06504398)
  • Clutch and pressure plate assembly (part No. 05038769AB)
  • Clutch to flywheel bolts (part No. 06508880AA)

Also available is a Front End Accessory Drive (FEAD) Kit (part No. 77072492), which includes an alternator, power-steering pump, belts, pulleys and mounting hardware.

The Hellcrate Redeye 6.2-liter Supercharged HEMI V-8 engine (part No. 68303091AA) is available to order today for a U.S. Manufacturer’s Suggested Retail Price (MSRP) of $21,807. The awesome 807-horsepower HEMI ships in distinctive packaging that features the Hellcat Redeye logo and includes in-depth information sheets with installation requirements and helpful tips.

Mopar says this engine is for pre-1976 street and off-road vehicles only. The reason for this, as we were told by Mopar, was basically due to emissions standards on vehicles. This makes sense for those states with emissions testing requirements.

Another item to consider is about the transmission. While Chevy offers what they call connect and cruise packages, and even an electric bolt crate engine kit,  which are engine and transmission combos with a computer controller, Mopar doesn’t offer a similar package. Instead, enthusiasts are left to purchase a transmission on their own and get a tune from a performance shop.

Mopar says the computer controller will be available next year.

“With the addition of this new supercharged HEMI, Mopar now offers five HEMI crate engines with a range of 375 to 1,000 horsepower,” said Mark Bosanac, Head of Mopar Service, Parts and Customer Care for FCA – North America. “All Mopar crate engines are quality-tested and factory-backed to deliver proven performance to our enthusiasts.”

This engine joins an impressive lineup of holy crap horsepower gasoline engines.

  • “Hellephant” 426 Supercharged Crate HEMI (part # P5160194AC)
    • 1,000 horsepower and 950 lb.-ft. of torque
    • $29,995 MSRP
  • “Hellcrate” 6.2-liter Supercharged Crate HEMI (part # 68303089AB)
    • 707 horsepower and 650 lb.-ft. of torque
    • $20,215 MSRP
  • 6.4-liter Crate HEMI (part # 68303090AA)
    • 485 horsepower and 475 lb.-ft. of torque
    • $10,060 MSRP
  • 5.7-liter Crate HEMI (part # 68303088AA)
    • 375 horsepower and 410 lb.-ft. of torque
    • $6,550 MSRP

Mopar HEMI crate engines are covered against defects in materials and workmanship for a 90-day period (parts exchange only).

For more information, customers should visit www.cratehemi.com

The bottom line on the Hellcrate Redeye

Offering crate engines has been a common practice for years as an additional, and easy, source of revenue. However, Mopar unleashing its lineup of powerhouse engines is noteworthy since the engine specs easily outperform anything Chevy has offered and really opens the door for a new group of Mopar enthusiasts to become brand loyalists.

Our advice on buying one of these? Simple. Buy a helmet and hold on!

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