Product Details
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 PerformanceParts lineup, the ZZ427 big-block crate engine brings back all of the good things that you remember about the 427 with afew modern new upgrades. With an updated cast iron block, a 10.1:1 final compression ratio, and an aggressive hydraulicroller 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 performanceautomobile.
This latest version holds true to that tradition, offering you a tough, 4-bolt main cast iron block with all aforged internal rotating assembly.
The top half of the engine is the same as the limited edition Anniversary 427 crateengine: 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 mixfrom a 870-cfm carburetor. An HEI distributor, aluminum water pump, spark plug wires, and a 14" flexplate round out thepackage.
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 ratingof 480 horsepower and loads of torque, it’s still one of the best crate engines for just about any big-block application.
Specification
ZZ427-480 Tech Specs
Part Number: 19331572
Engine Type: Chevy Big-Block V-8
Displacement (cu. in.): 427 (7.0L)
Bore x Stroke (in.): 4.250 x 3.750
Block (P/N 19170538): Cast-iron with four-bolt main caps
Crankshaft (P/N 19171620): Forged steel
Connecting Rods (P/N 19211226): Forged steel
Pistons (P/N 19171618): Forged aluminum
Camshaft Type (P/N 12366543): Hydraulic roller
Camshaft Lift (in.): .527 intake / .544 exhaust
Camshaft Duration (@.050 in.): 224° intake / 234° exhaust
Cylinder Heads (P/N 19211799): Aluminum oval port, 110-cc 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 19212081): HEI type
Carburetor (P/N 19170093): 770-cfm
Water Pump (P/N 19168602): Aluminum short-style
Spark Plugs and Wires: Included
Recommended Fuel: Premium pump
Ignition Timing: 36° Total @ 4,000 rpm
Maximum Recommended rpm: 6400
Balanced: Internal
Delivery & Returns
Billy's Speed Shop ensures the highest standard of service. Therefore we use only most reliable delivery services in the UK what allows us to provide you quick and efficient delivery of your products.
We aim to stock all of the products in our warehouse. However the situation may occur that we currently do not have particular item in stock then we will order it directly from UK supplier. If delivery time will exceed 3 days we will inform you via email or telephone.
Our Delivery Options are as follows:
Parcels up to 2kg and up to £50 of value are being sent via Royal Mail - 1st or 2nd class.
Parcels up to 2kg and £50 - £100 of value are being sent via Royal Mail - 1st or 2nd class - Tracked.
Parcels over 2kg and over £100 of value are being sent via Courier - DPD Tracked.
Bulk or Heavy purchases that weigh over 20 kg are sent on a pallet - Pallex.
