Chrysler SB Compatible 408 c.i. Engine - 375 HP - Long Block
Chrysler SB Compatible 408 c.i. Engine - 375 HP - Long Block
Chrysler SB Compatible 408 c.i. Engine - 375 HP - Long Block

Chrysler SB Compatible 408 c.i. Engine - 375 HP - Long Block

SKU: BPC4082CT

Chrysler SB Compatible 408 c.i. Engine - 375 HP - Long Block

SKU: BPC4082CT

HP & Torque: 375 HP / 460 FT. LBS

Cylinder Heads: Cast Iron - Magnum

Compression Ratio: 9.8:1

Camshaft: Flat Tappet - .474 Intake / .474 Exhaust Lift and 233 Intake / 240 Exhaust Duration @ .050 - 110° LSA

Pistons: Forged

Crankshaft: Steel Crank - 4.000" Stroke and Forged 6.123" Rods

Regular price $7,049.00
/
  • Secure payments
  • Financing available at checkout with Affirm

 Description:

  • HP & Torque: HP 375 / 460 FT LBS
  • Compression Ratio: 9.8:1
  • Cast Iron Heads
  • Flat Tappet Cam
  • Steel Crank
  • Forged Pistons

Block:

  • Hand-picked seasoned block
  • Square and parallel decked
  • Align honed main bearing bore
  • Cylinders honed on computer-controlled machine to within .0002 straightness and roundness
  • Cylinders are sonic tested for thickness
  • 2-Bolt Main
  • 4.000" Bored .040" over
  • 2-Piece Rear Main Seal
  • Mech fuel pump provision: Yes

Rotating Assembly:

  • New steel crankshaft
  • 4.000" Stroke
  • Forged Magnum 6.123" connecting rods w/ 150,000 psi bolts
  • Forged pistons
  • External

Cylinder Heads:

  • NEW Magnum cast iron heads
  • Hardened retainers and springs
  • 1.92" swirl polished intake valves
  • 1.625" swirl polished exhaust valves
  • Hardened push rods

Cam Specs:

  • Cam Type: Flat Tappet
  • .474 Intake .474 Exhaust
  • 233 Intake / 240 Exhaust duration
  • @ .050 - 110-degree lobe separation

Ignition Timing:

  • 34 degrees at 3500 RPM

Also Includes:

  • Valve covers, oil pan and timing cover

Notes:

  • This engine Features Magnum heads. Will require Magnum intake manifold such as BPP7577
  • Not for use in pollution-controlled vehicles
  • If installing with a Manual Transmission with .750" input shaft, Recommended Pilot bearing is PN FC-69907.
  • Recommended Pilot OD is 1.81"

Your BluePrint engine was dyno tested with the parts and specifications listed below. If you prefer to install a different part, your engine may not produce the horsepower recorded on your dyno sheet.

Part Number: BPC4082CTC

Fuel Delivery Type: Carbureted, 750 cfm, manual choke

Spark Plug: BPP7938 NGK 7938 BKR5E (.750 inch reach, 14mm thread, 5/8 hex, plug)

Spark Plug Gap: .035"

Harmonic Balancer: Magnum Weighted balancer such as BPP360. EXTERNALLY BALANCED '1993-'1997, 7.25" Diameter.

Flexplate/Flywheel: LA 360,  (Pre-Magnum)

Stall Converter: 2200-2600 rpm

Intake Manifold: Dual plane, satin aluminum

Fuel Recommendation: 91 Octane

Timing (Initial/Total Advance): Initial timing - 10-16° and Total timing 32-34°

Firing Order: 1,8,4,3,6,5,7,2

Recommended Break in Oil : BPP710 (Click Here)

Recommended Service Oil : BPP10W30 (Click Here) 

Recommended Oil Filter ; BPP51515 (Click Here)

Total Oil capacity with production oil pan, and Correct BPP51515 Filter : 5 Quarts 

Header Partners:  Click here for our Header Partners and recommendations.

Click here to download a copy of the Installation Guide that came with your BluePrint engine.

BETTER THAN THE REST.

The satisfaction of our customers is our highest priority at BluePrint Engines. We use quality components to balance your engine's rotating assembly within two grams of spec. We dyno test your crate engine and certify that it's ready to deliver horsepower and torque.

We give your BluePrint engine the industry's best-in-class warranty for 30-months / 50,000 miles — with the extra confidence only BluePrint can provide. Our warranty applies to individual or professional installations and is fully transferable.

For a detailed overview of our warranty, click here.

IT ALL COMES DOWN TO RESULTS.

We make sure we hit our target horsepower and proper torque with every crate engine. We use an advanced computerized balancer to get our rotating assemblies within two grams, ensuring silky smooth power over the entire RPM range. That's precisely why our engines sound and run better than our competitors.

BRAGGING RIGHTS INCLUDED!

A comprehensive, dyno-generated printout showing these critical specs will accompany your delivered engine. No more guessing or wondering what your installed engine's real-world peak horsepower and torque ratings actually are. Any doubters in the crowd? Simply flash 'em your dyno results!

This engine will be dyno tested before it ships to you at no additional charge (others charge $500)!

Customer Reviews

Based on 1 review Write a review
RECOMMENDED PRODUCTS:
Harmonic Balancer - Chrysler Compatible - 273, 318, 340, 360 and 408
$119.95
Chrysler SB Steel SFI Flex Plate - LA 360 SB EXTERNAL BALANCE - Chrysler Compatible
$125.96
Edelbrock Performer Air-Gap Dual Plane Aluminum Magnum Intake Manifold Kit 7577 - Chrysler SB Compatible - Natural
$475.95
Holley 750 CFM Classic Carburetor - Electric Choke - Vacuum Secondaries - 4160
$465.95
BluePrint Engines Crate Engine Break-In Oil — 1 Quart
$9.95
BluePrint Engines 10w30 Engine Oil - 1 Quart
$9.95
TrueBlue Performance Octane Boost
BluePrint Engines TrueBlue Performance Octane Booster
$29.95
Chrysler and Ford SB Compatible Oil Filter
$12.95
BPP7938 NGK 7938 BKR5E Spark Plugs - Set of 8
$39.95
8mm Spark Plug Wire Set - 180° Boots - Chrysler and Ford SB Compatible
$79.95
Mechanical Fuel Pump - Chrysler SB Compatible 273-360 - 2 Valve - 80 GPH and 6 psi
$59.95
Fuel Pump Block Off - GM BB, Chrysler SB and Ford SB Compatible
$5.95
Electric Carburetor Fuel Pump - 130 GPH
$99.95
Liquid Filled Fuel Pressure Gauge - 0-15 psi
$18.99
Billet Aluminum Fuel Pressure Regulator - 5-12 PSI and -6AN ORB
$84.95
Holley Sniper EFI - Self-Tuning Kit - Chrome
$1,249.95
Holley Sniper EFI - Self-Tuning Kit - Black
$1,299.95
EFI Fuel Pump Kit 526-7 - For Holley 550-510 and 550-511
$499.95
Holley EFI In-Tank Retrofit Fuel Pump - 255 LPH - Return Style
$799.95
EFI Billet Aluminum Fuel Pressure Bypass Regulator - 40-75 PSI and -6AN ORB
$94.95
Liquid Filled Fuel Pressure Gauge - 0-100 PSI
$18.99
Chrysler 273-360 c.i. SB Compatible ProSeries Ready to Run Distributor - Black Cap
$217.95
Chrysler 273-360 c.i. SB Compatible ProSeries 2-Wire Distributor - Black Cap
$194.95
45K Volt Ignition Coil - Canister Round Oil-Filled - Female Socket - Black
$29.95
50K Volt Ignition Coil - External E-Core - Black
$55.95
Air Cleaner with Flat Base - 14" Chrome
$34.95
Air Cleaner with Flat Base - 14" Black
$34.95
Air Cleaner with Drop Base - 14" Chrome
$34.95
Air Cleaner with Drop Base - 14" Black
$34.95
Chrysler '65-'68 Compatible Starter – MTG Block with Nose - OEM Finish
$129.95
BluePrint Parts – Jiggle Pin Thermostat – 180° - GM Small Block, GM Big Block, Mopar Magnum 360, and Ford Small Block Compatible
$12.95
Chrysler SB Compatible Front Accessory Drive - Full Serpentine with Alternator | AC | Power Steering | Water Pump | Brackets and Bolts
from $2,095.95
Chrysler SB Compatible Front Accessory Drive - Full Serpentine with Alternator | Power Steering | Water Pump | Brackets and Bolts
from $1,995.95
Chrysler SB Compatible Front Accessory Drive - Dual-Belt Quick Serpentine with Alternator | AC | Power Steering | Water Pump | Brackets and Bolts
from $1,831.95
Chrysler SB Compatible Front Accessory Drive - Dual-Belt Quick Serpentine with Alternator | Power Steering | Water Pump | Brackets and Bolts
from $1,385.95
Chrysler SB Compatible Front Accessory Drive - Quick Serpentine with Alternator | Water Pump | Brackets and Bolts
from $865.50
Chrysler SB Compatible Front Accessory Drive - V-Belt with Alternator | Power Steering | Water Pump | Brackets and Bolts
$1,264.95
Chrysler SB Compatible Front Accessory Drive - V-Belt with Alternator | Water Pump | Brackets and Bolts
$908.95