Pay in installments of $2118.75 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 16 - Jul 21
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
BluePrint Engines Chev 383 Marine Based Dressed Engine 405hp # MBP3830CTCGM MARINE SB COMPATIBLE 383 C. I. ENGINE 405 HP BASE DRESSED CARBURETED DESCRIPTION: HP & Torque: 405 HP 450 FT LBS Compression Ratio: 9. 5: 1 Cast Iron Heads Hydraulic Roller Cam Cast Steel Crank Hypereutectic Pistons BLOCK: New BluePrint cast iron 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 4 Bolt
GM MARINE SB COMPATIBLE 383 C.I. ENGINE - 405 HP - BASE DRESSED - CARBURETED
DESCRIPTION:
- HP & Torque: 405 HP / 450 FT LBS
- Compression Ratio: 9.5:1
- Cast Iron Heads
- Hydraulic Roller Cam
- Cast Steel Crank
- Hypereutectic Pistons
BLOCK:
- New BluePrint cast iron 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
- 4-Bolt Main
- 4.000" Bored .040" over
- 1-Piece Rear Main Seal
- Mech fuel pump provision: Yes
- Passenger Side Dipstick Drilled and tapped for clutch linkage
ROTATING ASSEMBLY:
- New Cast steel crankshaft
- 3.750" Stroke
- OEM type 5.700" connecting rods w/ 150,000 psi bolts
- Hypereutectic pistons
- External Front/ External Rear
CYLINDER HEADS:
- Vortec cast iron cylinder heads
- 1.94 intake valves
- 1.50 exhaust valves
- Hardened push rods
- Long slot rockers with positive lock adjusting nuts
CAM SPECS:
- Cam Type: Hyd Roller
- .495 Intake .502 Exhaust
- 220 Intake / 224 Exhaust duration
- @ .050 - 114-degree lobe separation
ALSO INCLUDES:
- Marine intake manifold
- valve covers
- Marine Carburetor (Brand will vary due to supply)
- Distributor
- Oil pan
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.1 ★★★★★
Based on 6 reviews
Sort
Product Reviews
★★★★★ 5
Works well
Style: Full Synthetic High Mileage, Size: 5 qt (Pack of 1), Configuration: 10W-30
I really like Valvaline oil for my vehicle, have for years
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
There’s oil in those yarn Hills!
Style: Full Synthetic High Mileage, Size: 1 qt (Pack of 1), Configuration: 5W-20
It’s great oil at a fair price. The shipping was expeditious and glad it was.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
★★★★★ 5
Great value, cheaper than local.
Style: Full Synthetic High Mileage, Size: 5 qt (Pack of 1), Configuration: 0W-20
Good value, fast shipping, Valvoline quality.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 16, 2026
★★★★★ 4
Good buy
Style: Full Synthetic High Mileage, Size: 5 qt (Pack of 1), Configuration: 5W-20
Run of the mill oil but for a great price
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 27, 2026
★★★★★ 5
The Excellence of Motion Preserved
Style: Full Synthetic High Mileage, Size: 1 qt (Pack of 1), Configuration: 5W-30
In the pursuit of the ideal, where reason governs and the forms of all things aspire to perfection, the Valvoline Full Synthetic High Mileage with MaxLife Technology 5W-30 Motor Oil presents itself as a manifestation of virtue within the mechanical realm. It is not merely oil, but a substance designed with foresight, sustaining the engine as the soul sustains the body. The viscosity is measured, neither excessive nor deficient, allowing parts to move in harmonious accord, reducing friction and preserving integrity.
One observes that engines treated with this oil respond with steadiness and endurance, as if guided by a rational principle, minimizing wear and extending life in a manner that reflects the pursuit of the Good. I grant it five stars, for it exemplifies a balance between strength and refinement, a practical embodiment of foresight, wisdom, and care—ensuring that motion, that vital energy, continues undisturbed, much as a well-ordered soul achieves its fullest expression through the contemplation of virtue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 13, 2025
recommand products
Terri App-Enabled G-Flicking Rabbit – Rechargeable, Discreet, Intimate Wellness Accessory – Quiet, Rechargeable, Waterproof, Couples & Solo Use, Discreet Intimate Wellness Accessory
20.00
The Really Cheeky Adult Board Game – Rechargeable, Discreet, Intimate Wellness Accessory – Quiet, Rechargeable, Waterproof, Couples & Solo Use, Discreet Intimate Wellness Accessory
20.00
Icon 01853 SL1824
Standard RV Skylight, White
158.95
Icon 01861 SL2234
Standard RV Skylight, White
121.47
Temptasia Luna Strapless Silicone personal massager – Rechargeable, Discreet, Intimate Wellness Accessory – Quiet, Rechargeable, Waterproof, Couples & Solo Use, Discreet Intimate Wellness Accessory
20.00