ZZ427/480 427ci Connect & Cruise Powertrain System 4L70-E Trans

Name: ZZ427/480 427ci Connect & Cruise Powertrain System 4L70-E Trans
Brand: CHEVROLET PERFORMANCE
SKU: 809-19331572K
Price: 25793.95 USD
Availability: InStock

^$25,793⁹⁵

Truck Freight

Ships on 09/14/2026

Lowest Price Guarantee

480 HP @ 6000 RPM
490 ft/lbs TQ @ 3800 RPM
Remanufactured SuperMatic 4L70-E Four Speed Transmission
3000-3400 RPM Stall Torque Converter

ZZ427/480 427ci TECH SPECS:
Engine Type: Big-Block V-8
Displacement: 427ci
Bore x Stroke: 4.250' x 3.750'
Block: Cast-iron with four-bolt main caps
Crankshaft: Forged steel
Connecting Rods: Forged steel
Pistons: Forged aluminum
Camshaft Type: Hydraulic roller
Camshaft Lift: .527' intake / .544' exhaust
Camshaft Duration (@.050 in.): 224° intake / 234° exhaust
Cylinder Heads: Aluminum Oval Port w/ 110cc combustion chambers
Valve Size: 2.19' intake / 1.88' exhaust
Compression Ratio: 10.1:1
Rocker Arms: Aluminum roller style
Rocker Arm Ratio: 1.7:1
Recommended Fuel: Premium pump
Maximum Recommended rpm: 6400
Balanced: Internal
Intake Manifold: Dual plane

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

Emissions Note:

This part is only legal for sale and use on Uncontrolled (Non-Emissions Controlled) Vehicles or on vehicles used solely for the purposes of closed competition racing.

CLICK THIS LINK FOR IMPORTANT CARB & EPA EMISSIONS INFORMATION ABOUT THIS PART

Part TypeEngine

BrandCHEVROLET PERFORMANCE

Part CategoryPerformance Parts

Engine TypeHigh-Performance Crate Engine

Cylinder Head MaterialAluminum

Engine Block MaterialCast iron

QuantitySold as a Kit

Part FitmentSemi Universal

Engine Displacement427 ci.

Engine Make/SizeChevy Big Block

Intake Manifold TypeCarbureted