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Instruction Sheets for Part Number MLL-PS6320CTF1
Charts & Guides for Part Number MLL-PS6320CTF1
BluePrint Motorsports Pro Series Chevy 632 C.I.D. 815 HP Dressed Long Block Crate Engines PS6320CTF1
Part Number: MLL-PS6320CTF1
BluePrint Motorsports Pro Series Chevy 632 C.I.D. 815 HP Dressed Long Block Crate Engines
Crate Engine, Dressed Long Block, Pro Series Chevy 632 C.I.D. 815 HP, Internal Balance, Tall/Wide Deck, EFI, Aluminum Cylinder Heads, Pump, Each
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Estimated Ship Date from Texas: Monday 10/19/2026 Would you rather pick it up?
Overview
Brand:
Manufacturer's Part Number:
PS6320CTF1
Part Type:
Product Line:
Summit Racing Part Number:
MLL-PS6320CTF1
UPC:
00887753744562
Crate Engine Family:
Chevy Big Block
Actual Engine Displacement:
10.3L/632
Crate Engine Cylinder Head Material:
Aluminum
Engine Block Material:
Cast iron
Advertised Compression Ratio:
11.0:1
Assembled:
Yes
Engine Balance:
Internal
Cam Style:
Hydraulic roller, OE roller
Rear Main Seal Style:
1-piece
Intake Manifold Included:
Yes
Intake Manifold Style:
Carbureted
Cylinder Heads Included:
Yes
Carburetor Included:
No
Throttle Body Included:
Yes
Distributor Included:
Yes
Oil Pan Included:
Yes
Valve Covers Included:
Yes
Timing Cover Included:
Yes
Water Pump Included:
No
Harmonic Balancer Included:
Yes
Flexplate Included:
No
Flywheel Included:
No
Air Cleaner Included:
No
Spark Plugs Included:
Yes
Spark Plug Wires Included:
Yes
Computer Included:
Yes
Wiring Harness Included:
Yes
Stall Speed Rating RPM Range:
3,800-4,200
Supercharger Included:
No
Remanufactured:
No
Quantity:
Sold individually.
Notes:
Rated at 815 hp with 740 lbs.-ft. of torque. Throttle body is 1,440 cfm EFI system. Recommended stall converter is 3,800-4,200 RPM and recommended fuel is 91 octane. Not for EGR. This engine features 0.300 in. raised exhaust ports and 0.400 in. deck height increase over factory. Must verify clearance of exhaust, shift linkage, and steering components.
Special Attention:
Includes a 1,440 cfm Holley Sniper EFI system.
BluePrint Motorsports Pro Series Chevy 632 C.I.D. 815 HP Dressed Long Block Crate Engines
BluePrint Motorsports Pro Series Chevy 632 C.I.D. 815 HP dressed long block crate engines deliver a pavement-pounding 815 hp in your choice of carbureted or fuel-injected configurations, with classic or Blackout Reaper styling. Each engine is built with premium forged internals, precision machining, and a durable bottom end engineered to withstand massive torque, high rpm, and wide-open-throttle abuse. Fuel-injected models provide crisp throttle response, consistent performance, and modern drivability, while carbureted versions deliver the hard-hitting attitude and straightforward tuning traditional muscle enthusiasts demand. Base-dressed for a clean installation while allowing builders to select the fuel, ignition, and accessory combination that suits their project, these powerplants offer maximum displacement with Pro Series durability. Whether you prefer a traditional appearance or the sinister, stealth-inspired look of the Blackout Reaper Edition, BluePrint Motorsports Pro Series Chevy 632 C.I.D. 815 HP dressed long block crate engines are ready to help you dominate the street, strip, or show field!
More product details, items, and notes include:
* Horsepower/Torque - 815/775 ft. lbs.
* Compression Ratio - 11.0:1
* BluePrint Engines aluminum cylinder heads (PS8012), hydraulic roller camshaft, forged crankshaft, forged pistons, high-strength cast iron block
* Tall deck - cylinder deck is approximately 0.400 in. taller/wider than OEM block)
* Mechanical fuel pump provision - yes
* Rear main seal - 1-piece
* Mains - 4-bolt
* Bore - 4.600 in.
* Stroke - 4.750 in.
* Connecting rods - forged H-beam 6.635 in.
* Internally balanced front and rear
* Cylinder heads feature a 0.300 in. raised exhaust port compared to an OEM casting
* Camshaft features 0.698 in. intake/0.698 in. exhaust lift, 272 intake/282 exhaust duration
at 0.050 in. lift, 110-degree LSA (Lobe Separation Angle)
EFI setups may include:
* Thermostat and thermostat housing (application dependent)
* Pro Billet distributor (BPP3503BK)
* Holley Sniper 4500 EFI system
* Harmonic balancer (BPP454I)
* Spark plugs (BPP7938) and wires
* Intake manifold
* Timing cover
* Valve covers
* Oil pump (application dependent)
* Oil pan
Carbureted setups may include:
* Pro Series Ready-to-Run distributor (BPP3503BK)
* Holley GEN III Ultra Dominator carburetor
* Thermostat and thermostat housing (application dependent)
* Harmonic balancer (BPP454I)
* Intake manifold
* Fuel pump block-off plate (application dependent)
* Spark plugs (BPP7938) and wires
* BluePrint dipstick (application dependent)
* Timing cover
* Valve covers
* Oil pump (application dependent)
* Oil pan
Applications
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