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Big Block 427 Anniversary
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GM Big Block ZZ427/430 19166393 Engines

Description

Engine Size

HP

Torque

Page

MSRP

JRGMPARTS.com

19166393

GM Big Block ZZ427/430 Engines

427 cu in

430

 

126

$

 

$8,276.00
 

The 427 rat in a box returns to GM!

There are few engines that conjure up images of greatness like the 427 Chevy big-block. New to the GM Performance Parts lineup, the ZZ427 big-block crate engine brings back all of the good things that you remember about the 427 with a few modern new upgrades. With an updated cast iron block, a 10.1:1 final compression ratio, and an aggressive hydraulic roller camshaft, the ZZ427 offers you outstanding performance while still living on low octane fuel.

The legendary 427" big-block Chevy powered some of the most storied cars in the history of the high performance automobile. This latest version holds true to that tradition, offering you a tough, 4-bolt main cast iron block with all a forged internal rotating assembly. The top half of the engine is the same as the limited edition Anniversary 427 crate engine: oval-port heads that use 2.19" intake and 1.88" exhaust valves work with 1.7:1 aluminum roller rockers and a .510" intake/.540" exhaust camshaft. The intake is a matching, high-flow oval-port aluminum piece that gets fed the air/fuel mix from a 870-cfm carburetor. An HEI distributor, aluminum water pump, spark plug wires, and a 14" flexplate round out the package. Internally balanced, the ZZ427 will spin to 6000 rpm before it’s time for you to shift.

The ZZ427 is an exciting trip back to one of the high points in the history of the Chevrolet big-block. With a conservative rating of 430 horsepower and loads of torque, it’s still one of the best crate engines for just about any big-block application.

ZZ427_430_19166393_GM_Big_Block_Engines

POSSIBLE APPLICATIONS*

A COPO clone Camaro

Your favorite ’61 Impala

A Stingray with a big stinger

*Applications have not been validated. They are merely suggestions of how you might enjoy your GM Performance Parts crate engine. Some applications may affect engine warranty. See page 448 for specific warranty information. Some applications may not be emission legal; check state and local ordinances.

ZZ427_430_19166393_Tech_Specs
ZZ427_430_19166393_dyno_chart

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