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Chevrolet Performance ZZ427/480 Crate Engine

$14,485.25 $11,298.50

  • 480 hp @ 6,000 rpm/490 lb.-ft. @ 3,800 rpm
  • Includes carb., intake, distributor, wires, water pump, balancer
  • All-forged rotating assembly and hydraulic roller cam.
  • Aluminum, oval-port 110cc chamber cylinder heads
REBATE AVAILABLE: $250 Prepaid VISA Gift Card From Chevrolet Performance. See 'Rebate' tab below for details.
PROMO AVAILABLE: 1 Free Case of Mobil 1 Oil with Purchase of Chevrolet Performance Crate Engine or 2 Free Cases with the Purchase of a Connect & Cruise System. See 'Promo' tab below for details.

Have your engine dyno tested by one of our professional engine builders to ensure everything is properly broken in. We can dyno your engine with your components to make sure everything is working harmoniously before shipping you the whole assembly drained and ready to install.

SKU: 19331572 Category: Tag:

ZZ427/480 Crate Motor

P/N 19331572

480 hp @ 6,000 rpm / 490 lb.-ft. @ 3,800 rpm

ZZ427/480 Technical Specs:
Engine Type: Chevy Big-Block V-8
Displacement (cu in): 427
Bore x Stroke (in): 4.250 x 3.750
Block (P/N 19170538): Cast-iron with 4-bolt main caps
Crankshaft (P/N 19171620): Forged steel
Connecting Rods (P/N 19211226): Forged steel
Pistons (P/N 19171618): Forged aluminum
Intake Manifold (P/N 12363406): Dual plane
Camshaft Type (P/N 12366543): Hydraulic roller
Valve Lift (in): .527 intake / .544 exhaust
Camshaft Duration (@.050 in): 224° intake / 234° exhaust
Cylinder Heads (P/N 19331423): Aluminum oval port, 110cc
chambers
Valve Size (in): 2.190 intake / 1.880 exhaust
Compression Ratio: 10.1:1
Rocker Arms (P/N 19210726): Aluminum roller style
Rocker Arm Ratio: 1.7:1
Distributor (P/N 88961867): HEI type
Carburetor (P/N 19170093): 770-cfm
Water Pump (P/N 19168602): Aluminum short-style
Spark Plugs and Wires: Included
Flexplate (P/N 12561217): 14″
Recommended Fuel: Premium pump
Ignition Timing: 36° Total @ 4,000 rpm
Maximum Recommended rpm: 6,400
Balanced: Internal

Recommended Transmission: SuperMatic™ 4L85-E Four-Speed Automatic P/N 19300175

Installation Notes:
– Due to crate fitment, the carburetor is shipped in a separate box and needs to be installed by an engine installer
– Requires addition of starter and fuel pump (not included)
– Clutch linkage bosses are drilled and tapped. When using cast-iron exhaust manifolds, lower head bolts may need to be replaced with bolts with shorter heads for clearance
– Comes with an internally balanced 14″ automatic transmission flexplate. Requires flywheel designed for internally balanced engines.
– Designed for pre-1976 street vehicles or any off road vehicle
– Not intended for marine applications

Note: Distributor with melonized steel gear MUST be used with long-blocks and Partial engines with steel camshafts, or engine damage will occur.

Supersedes old GM P/N 19166393

Weight 520 lbs
Brand

ZZ427/480 Crate Engine

19331572 Chevrolet Engine

A Modern Take on the Classic L88

The L88 427 was the ultimate expression of Chevy‘s production Big Block power, combining a rigid iron cylinder block with lightweight aluminum cylinder heads and a single four-barrel carburetor. GM engineers have recreated that classic, raspy rat engine in the Chevrolet Performance ZZ427/480 crate engine, but with updated components that enhance drivability ? and performance!

This Chevy engine assembly features the latest-generation block casting with four-bolt main caps, an all-forged rotating assembly for exceptional strength and durability and a hydraulic roller camshaft instead of the original L88’s flat-tappet cam, for greater drivability and a broader performance range. It also features aluminum oval-port cylinder heads with 2.19/1.88-inch valves and a pump-gas-friendly 10.0:1 compression ratio.

Whether you’re building a ’69 COPO Camaro resto-mod tribute, a modified mid-year Corvette or a street-tire class winner, the ZZ427/480 is the heritage-inspired crate motor that delivers the performance that built the Big Block‘s legendary reputation.

Click here to download installation information.

Chevrolet Performance Crate Engines include a 24-month or 50,000-mile (80,000 kilometer) limited warranty.

Click here for more detailed warranty information.

This product qualifies for a $250 Rebate from Chevrolet Performance.

To receive the rebate:

  1. Purchase a select Chevrolet Performance Crate Engine between 10/1/2020 and 12/31/2020
  2. Complete all information requested on this form and mail it by January 31st, 2021, OR
  3. Submit your rebate online at www.gmpartsrebates.com before the same deadline

See rebate form for more details.

NOTE: Please allow up to 6-8 weeks for rebate processing.

This product qualifies for Free Mobil 1 Oil!

November 1, 2020 through February 28, 2021 receive a Free case of Mobil 1 Oil with the purchase of a Chevrolet Performance Crate Engine and receive two Free Cases of Mobil 1 Oil with the purchase of a Connect & Cruise Package.

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