1. Inboard Complete Gas Engines For Sale
  2. sku: 3731465786346281
  3. GM POWERTRAIN HP496MK4

GM POWERTRAIN HP496MK4 Stroker Rear Seal 657HP

fits model: Gen4, 454. year: 1970–1990.

Hp496mk4 Gm Powertrain Gen4 454

( Brand: Gm Powertrain ), ( Manufacturer Part Number: HP496MK4 ), ( Part Type: Seal ), ( Engine Hp : 657 ), ( Stroke: 4.250 ), ( Core Charge: 850 ), ( Country/region Of Manufacture: United States )

Review GM POWERTRAIN 496 Stroker Piece Rear Seal 657hp fits GEN4 454 1970–1990

The HP 496 MK4 GM Powertrain Gen4 454 Stroker Rear Seal is a high-performance upgrade for your classic 1970-1990 GM vehicles. This kit is designed to boost your engine's power output, offering an impressive 657 horsepower.

The HP 496 MK4 kit is a stroker crankshaft kit, meaning it increases the stroke length of your engine cylinders. This results in a larger displacement, providing more power and torque. The kit includes a forged 4340 steel crankshaft, which is precision-balanced for optimal performance and durability.

The kit also includes a set of high-quality forged aluminum pistons. These pistons are designed to handle the increased power and displacement, and they feature a high-compression ratio for even more performance. The pistons are also coated with a special Diamondlik coating, which reduces friction and improves engine efficiency.

The HP 496 MK4 kit also includes a set of high-performance cylinder heads. These heads feature large valves and ports for improved air and fuel flow, which is crucial for maximizing power output. The heads are also CNC-ported for precision and smoothness.

The kit also includes a set of high-performance camshafts and lifters. The camshafts are designed to provide maximum power and torque at high RPMs, while the lifters are adjustable for precise timing.

The HP 496 MK4 kit also includes a high-performance rear seal. This seal is designed to prevent oil leaks and ensure that the oil stays where it's supposed to, in the crankshaft.

Overall, the HP 496 MK4 GM Powertrain Gen4 454 Stroker Rear Seal is a high-performance upgrade kit that is perfect for anyone looking to take their classic GM vehicle to the next level. With its forged crankshaft, high-quality pistons, high-performance cylinder heads, and adjustable camshafts, this kit is designed to provide maximum power and reliability. And with its high-performance rear seal, you can rest easy knowing that your engine is protected from oil leaks.

Pros of buying HP496MK4 GM Powertrain Gen4 454 Stroker:

1. High horsepower: With a rated output of 657hp, this engine provides substantial power for any vehicle, making it an excellent choice for performance enthusiasts.

2. Upgraded components: The HP496MK4 is a stroker engine, meaning it has been enlarged to increase its displacement and thus power output. This can lead to improved engine performance and longevity.

3. Compatibility: This engine is designed to fit 1970-1990 GM vehicles, making it a versatile option for classic car enthusiasts.

4. Reliable manufacturer: HP is a well-known and trusted engine manufacturer, and this specific engine is backed by a warranty for added peace of mind.

Cons of buying HP496MK4 GM Powertrain Gen4 454 Stroker:

1. Cost: Due to its high performance and upgraded components, this engine is likely to be more expensive than stock engines.

2. Installation: Installing a high-performance engine like this one may require specialized tools and mechanical expertise, adding to the overall cost and complexity of the project.

3. Fuel consumption: An engine with increased horsepower and performance may also consume more fuel, resulting in higher operating costs over time.

In conclusion, the HP496MK4 GM Powertrain Gen4 454 Stroker is a powerful and reliable engine option for those looking to upgrade the performance of their classic GM vehicle. However, it is important to consider the additional costs associated with installation and fuel consumption, as well as your own mechanical abilities, before making a purchase. If you are comfortable with these factors and have the budget to support this upgrade, the HP496MK4 could be a great choice for enhancing your vehicle's performance.

Details:

1970 to 1990 GEN4 engine w aluminum Gm Powertrain 340cc heads 2-piece real main seal, with fuel pump provision.

specifications completegengin:

  • for models: Gen4, 454
  • for years: 1970-1990
  • brand: Gm Powertrain
  • mpn: Hp496mk4
  • part type: Seal
  • engine hp : 657
  • stroke: 4.250
  • core charge: 850
  • country/region of manufacture: United States

Payments completegengin:

  • CashOnPickup
  • PayPal

Shipping completegengin:

  • cost: $388.0
  • type: Flat
  • handling: 10 days

General completegengin:

  • in stock: Yes
  • condition: Remanufactured
  • motors > partsaccessories > boat parts > inboard enginescomponents > complete gas engines inboard engines components

Seller completegengin:

  • city: Olathe, Kansas
  • zipcode: 66062

Offer completegengin:

  • bids: 0
  • quantity: 1
  • Started: June 29, 2017, 1:02 pm
  • Sold: 0
  • best offer: false

Ratings:

  1. GREAT VALUE. NEW CONDITION. QUICK SERVICE. 06-15-17
  2. product as shown,no problems,fast ship.AA 06-27-17
  3. arrived on time 05-26-17
  4. thank you! 06-01-17
  5. A class 06-05-17

Returns completegengin:

  • type: Money Back
  • policy: returns accepted
  • time: 14 Days
  • paid by: Buyer
for models: gen4, 454, for years: 1970-1990, part type: seal, engine hp: 657, stroke: 4.250, core charge: 850, country/region of manufacture: united states,
category: boat parts > inboard engines components > complete gas engines inboard components, sku: 3731465786346281,
Review#1 GREAT VALUE. . NEW CONDITION. QUICK SERVICE. ()
Review#2 product as shown,no problems,fast ship.AA ()
Review#3 arrived on time ()
Review#4 thank you! ()
Review#5 A class ()
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