550 hp 454 gen6 marine mangus mercury racing mercruiser

(83 Customer Reviews)

In Stock

$5,100.00

454 gen-6 big block chevy no core charge! . 4 bolt main block forged chevy crank and rods forged pistons hyd. roller cam heavy duty valve train roller rockers arp studs big rec. port heads alum. Single plenum intake all new valve train . included are valve covers pan balancer and flywheel. these motors dyno at 570 tourque and 550 hp. depending on carb . These motors have very good low speed manners , dock very well and run good we have sold a lot of these and are proven to be a very well engineered combination.

Average Rating

4.92
83 Review
5 star 92%

4 star 9%

3 star 0%

2 star 0%

1 star 0%

83 reviews for 550 hp 454 gen6 marine mangus mercury racing mercruiser

  1. Anthony Gonzalez

    Starts up quickly even in cooler conditions

  2. Paul Taylor

    I’ve taken it out in different conditions and it performs consistently

  3. Nicole Graham

    Works great in both calm and slightly rough conditions

  4. Gary Walker

    Handles long hours of use without overheating or performance drops

  5. Keith Cooper

    Runs smoothly without any strange noises

  6. Edward White

    Perfect for both short trips and longer outings

  7. Jonathan King

    You can feel the power immediately when you push it

  8. Joseph Miller

    Works perfectly for my type of boating needs

  9. Noah Brooks

    A dependable choice for anyone who spends a lot of time on the water

  10. Kyle Bell

    Lightweight design really helps with overall boat balance

  11. Jacob Robinson

    Handles load well without struggling

  12. Donald Anderson

    It’s been a solid and reliable addition to my boat

  13. Christian Peterson

    Easy installation and setup with the right components

  14. Roger Richardson

    Great choice for recreational boating

  15. Adam Morris

    Even after multiple trips, it still feels like new

  16. Ralph Ross

    Easy to operate and very responsive controls

  17. George Thompson

    The cooling system works great even on long runs

  18. Logan Powell

    Perfect for both fishing trips and longer cruising days

  19. Juan Patterson

    It’s been working perfectly since day one

  20. Nicholas Young

    The engine handles continuous use without any problems

  21. Aaron Edwards

    Very responsive controls, makes maneuvering easy

  22. Jesse Kelly

    The performance is consistent no matter the conditions

  23. Lawrence Ramirez

    Handles rough water conditions without struggling

  24. Brian Perez

    The engine performs well under different conditions

  25. Jeremy Rivera

    Runs clean and consistent even after extended use

  26. Melissa Alexander

    Very dependable engine that gives me confidence on every trip

  27. Jeffrey Ramirez

    Very reliable engine that hasn’t let me down yet

  28. Emily Hamilton

    I appreciate how easy it is to maintain

  29. Benjamin Baker

    The engine feels durable and built to last

  30. Stephanie Griffin

    The efficiency and power combination is impressive

  31. Charles Rodriguez

    Great option for anyone looking to upgrade their boat

  32. Daniel Hernandez

    Very happy with this upgrade overall

  33. Raymond Perez

    Even at higher speeds, it remains stable and controlled

  34. Ashley Gonzales

    I’ve noticed better speed and control since installing it

  35. Gabriel Hughes

    The engine is efficient and powerful at the same time

  36. Victoria Owens

    Starts up clean and settles into a steady idle

  37. Christopher Martinez

    Handles both cruising and quick acceleration really well

  38. Timothy Sanchez

    The engine responds quickly to throttle input

  39. Olivia West

    A great choice for anyone wanting reliability and performance

  40. Ryan Lewis

    It’s been running perfectly since day one

  41. Walter Morgan

    Everything about it feels solid and well built

  42. Rebecca Diaz

    Very efficient and doesn’t burn as much fuel as I expected

  43. Bryan Price

    The efficiency really makes a difference over time

  44. Angela Ford

    Been using it for months now and it hasn’t given me a single issue, very reliable out on the water

  45. Samantha Sullivan

    Very impressed with the overall experience so far

  46. David Jones

    Easy installation and everything lined up well

  47. Zachary Cook

    Power delivery is steady and predictable, which I really appreciate

  48. Carl Bailey

    I love how steady and quiet it operates compared to what I had before

  49. Kevin Lee

    It’s been a great upgrade from my previous engine

  50. Bruce Wood

    Provides excellent control when maneuvering in tight spaces

  51. Kenneth Martin

    Perfect for weekend cruising and fishing trips

  52. Ethan Howard

    The noise level is low, especially at cruising speed

  53. James Anderson

    The engine handles different water conditions with ease

  54. Gregory Mitchell

    The design feels rugged and built for long-term use

  55. Dennis Campbell

    Smooth idle and no excessive vibration, very well designed

  56. Jose Collins

    Great investment for improving overall boat performance

  57. Sean Gray

    It’s quiet enough to enjoy conversations while cruising

  58. Brandon Adams

    Great fuel performance for a gas engine, doesn’t burn as much as I expected

  59. Cheryl Foster

    Very smooth operation with no unexpected issues

  60. Frank Carter

    Great upgrade from my previous setup, much more reliable

  61. Roy Henderson

    Great for commercial use as well as personal boating

  62. Austin James

    Very dependable engine that gives peace of mind offshore

  63. Eugene Perry

    No issues with fuel delivery or performance

  64. Amanda Bryant

    Great value for the performance it delivers

  65. Wayne Jenkins

    Strong torque and great acceleration, gets the boat moving quickly even when loaded

  66. Albert Sanders

    Provides excellent control in tight maneuvering situations

  67. Russell Flores

    No unusual noises or vibrations, just solid operation

  68. Katherine Wallace

    I trust it completely when heading out offshore

  69. Larry Scott

    Easy to handle and control at all speeds

  70. Dylan Coleman

    Fired it up for the first time and it ran smooth right out of the box, very impressed

  71. Jack Phillips

    Provides a comfortable and quiet ride

  72. Justin Green

    Smooth acceleration and strong pulling power

  73. Rachel Woods

    Runs strong even after hours on the water

  74. Laura Hayes

    Acceleration is smooth but powerful when needed

  75. Thomas Davis

    Everything about it feels solid and well built

  76. Arthur Ward

    Everything about it feels well engineered and dependable

  77. Matthew Lopez

    Absolutely impressed with how smoothly it runs, starts right up every time and delivers consistent power

  78. Billy Bennett

    I’ve already recommended it to a couple of friends

  79. Steven Thomas

    Everything about it feels solid and dependable

  80. Patrick Turner

    It’s been performing flawlessly since installation

  81. Michael Johnson

    Smooth start-ups every single time

  82. Ronald Harris

    You can tell it’s designed for serious marine use

  83. Terry Torres

    Very dependable and easy to maintain

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