---
title: PS6320CT Series
description: GM Big Block Compatible 632 c.i. Pro Series Engine - 815 Horsepower
---

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# PS6320CT Series

## Horsepower & Torque: 815 Horsepower / 800 ft. lbs. Torque                    Cylinder Heads: BluePrint Engines Aluminum Cylinder Heads    Compression Ratio: 11:1                                                                      Camshaft: Hydraulic Roller Cam - .698 Intake / .698 Exhaust Lift and 272 Intake / 282 Exhaust Duration @ .050 - 110° LSA                                Pistons: Forged                                                                                        Crankshaft: Steel Crank - 4.750" Stroke and Forged 6.635" Rods              Fuel Recommendation: 91+ Octane Approved

#### Description:

- Horsepower & Torque: 815 Horsepower / 775 ft. lbs. Torque
- Compression Ratio: 11.0:1
- BluePrint Engines Aluminum Heads
- BluePrint Engines Hydraulic Roller Cam
- BluePrint Engines Forged Crank
- BluePrint Engines Forged Pistons

#### Block:

- BluePrint Engines High Strength Cast Iron Block
- Manufactured and Machined in the USA!
- Must ensure your Intake Manifold is Machined to use Standard Length Distributor
- Tall Deck (Cylinder Deck is Approx .400 taller / Wider than OEM Block)
- Mech Fuel Pump Provision: Yes
- 1-Piece Rear Main Seal
- 4-Bolt Main
- 4.600" Bore

#### Rotating Assembly:

- BluePrint Forged Crankshaft
- 4.750" Stroke
- Forged H-beam 6.635" Connecting Rods
- Forged Pistons
- Internally Balanced Front and Rear

#### Cylinder Heads:

- BluePrint Aluminum Cylinder Heads - [PS8012](https://blueprintengines.com/collections/cylinder-heads/products/bb-chevy-aluminum-cylinder-head-358cc-assembled-ps8012)
- 119cc Chamber
- 2.30" Intake / 1.88" Exhaust Valves
- 358cc Intake / 125cc Exhaust Runners
- Cylinder Heads Feature a .300 in. Raised Exhaust Port vs an OEM Casting

#### Cam Specs:

- Hydraulic Roller
- .698 Intake / .698 Exhaust Lift
- 272 Intake / 282 Exhaust Duration
- @.050-110 Degree Lobe Separation

#### Also Includes:

- Harmonic Balancer
- Timing Cover
- Valve Covers
- Oil Pan

#### Notes:

- Not for use in pollution-controlled vehicles.
- This engine features .300 raised exhaust ports and .400 deck height increase over OEM.
- Must verify clearance of exhaust, shift linkage, steering components etc. before ordering.
- To use a standard distributor, as listed below, ensure your intake manifold is machined for standard length distributor.  Recommended Intake BPP572632INT

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