Home / Shop / BluePrint Engines Pro Series Chevy 502 C.I.D. 621 HP Base Long Block Crate PS502CT Engine, Series, Block, 4.466 in. Bore, 4.000 in. Stroke, Internal Balance, Hydraulic Roller, 1-Piece Rear Main Seal, Chevy, 8.2L, Each

BluePrint Engines Pro Series Chevy 502 C.I.D. 621 HP Base Long Block Crate PS502CT Engine, Series, Block, 4.466 in. Bore, 4.000 in. Stroke, Internal Balance, Hydraulic Roller, 1-Piece Rear Main Seal, Chevy, 8.2L, Each

SKU: MLLPS502CT

Crate Engines

Blueprint Engines

BluePrint Engines Pro Series Chevy 502 C.I.D. 621 HP Base Long Block Crate PS502CT Engine, Series, Block, 4.466 in. Bore, 4.000 in. Stroke, Internal Balance, Hydraulic Roller, 1-Piece Rear Main Seal, Chevy, 8.2L, Each

SKU: MLLPS502CT

Crate Engines

IN STOCK! Est Ship 4-7 days. This item is IN STOCK at one of our warehouses or distribution centres, the ETA is the approximate time required to prepare your order for dispatch.

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Description

BluePrint Engines Pro Series Chevy 502 c.i.d. 621 hp base long block crate engines are fully Dyno tested, passed vigorous inspections, and are prepared for those wanting maximum horsepower and durability.

Features, specs, and contents:

* 621 hp, 560 ft.-lb., compression ratio 10.0:1
* Cast iron block with 4-bolt main
* Forged steel crankshaft and connecting rods
* Forged pistons and rings
* Internal balanced rotating assembly
* BluePrint aluminum cylinder heads
--119cc chamber
--2.30 in. intake/1.88 in. exhaust valves
--316cc intake/124cc exhaust runners
* Hydraulic roller cam
--.647 intake/.647 exhaust lift
--248 intake/254 exhaust duration @ .050
--112 degree lobe separation
* Valve covers, oil pan, and timing cover
* Harmonic balancer

Part Type

Crate Engines

Data: v4.2 - Upd: 2026-09-27 14:39:28

Specifications

Product Attributes - Brand: BluePrint Engines
Product Attributes - Manufacturer's Part Number: PS502CT
Product Attributes - Part Type: Crate Engines
Product Attributes - Product Line: BluePrint Engines Pro Series Chevy 502 C.I.D. 621 HP Base Long Block Crate Engines
Product Attributes - UPC: 00887753800084
Product Attributes - Crate Engine Family: Chevy Big Block
Product Attributes - Actual Engine Displacement: 8.2L/502
Product Attributes - Crate Engine Cylinder Head Material: Aluminum
Product Attributes - Engine Block Material: Cast iron
Product Attributes - Advertised Compression Ratio: 10.0:1
Product Attributes - Assembled: Yes
Product Attributes - Engine Balance: Internal
Product Attributes - Cam Style: Hydraulic roller, OE roller
Product Attributes - Rear Main Seal Style: 1-piece
Product Attributes - Intake Manifold Included: No
Product Attributes - Intake Manifold Style: Carbureted
Product Attributes - Cylinder Heads Included: Yes
Product Attributes - Carburetor Included: No
Product Attributes - Throttle Body Included: No
Product Attributes - Distributor Included: No
Product Attributes - Oil Pan Included: Yes
Product Attributes - Valve Covers Included: Yes
Product Attributes - Timing Cover Included: Yes
Product Attributes - Water Pump Included: No
Product Attributes - Harmonic Balancer Included: Yes
Product Attributes - Flexplate Included: No
Product Attributes - Flywheel Included: No
Product Attributes - Air Cleaner Included: No
Product Attributes - Spark Plugs Included: No
Product Attributes - Spark Plug Wires Included: No
Product Attributes - Computer Included: No
Product Attributes - Wiring Harness Included: No
Product Attributes - Stall Speed Rating RPM Range: 2,200-3,200
Product Attributes - Supercharger Included: No
Product Attributes - Remanufactured: No
Product Attributes - Quantity: Sold individually.
Product Attributes - Notes: Standard deck engine has 4-bolt mains. Cylinder heads feature a 0.300 in. raised exhaust port versus an OEM casting.

Reference Information

Brand Name/s	Blueprint Engines
StreetFX SKU	mllPS502CT
SFX Item ID	5182969
Supplier Item Code	5182969
Manufacturer SKU	PS502CT
Manufacturer UPC	887753800084
Alternative References	1-Piece, 8.2L

Compatibility

Application Data

Make CHEVROLET
Engine Type V8
Engine Size 8.2L/502
Engine Family Chevy big block Gen VI
Fuel Type GAS
Aspiration Naturally Aspirated

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BluePrint Engines Pro Series Chevy 502 C.I.D. 621 HP Base Long Block Crate PS502CT Engine, Series, Block, 4.466 in. Bore, 4.000 in. Stroke, Internal Balance, Hydraulic Roller, 1-Piece Rear Main Seal, Chevy, 8.2L, Each

BluePrint Engines Pro Series Chevy 502 C.I.D. 621 HP Base Long Block Crate PS502CT Engine, Series, Block, 4.466 in. Bore, 4.000 in. Stroke, Internal Balance, Hydraulic Roller, 1-Piece Rear Main Seal, Chevy, 8.2L, Each

Description

Part Type

Specifications

Reference Information

Compatibility

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