


6.6 Liter GM LT Gen V | Cast Iron | Engine | Port Injected | Factory Mast Cylinder Heads
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
6.6 Liter GM LT Gen V | Cast Iron | Engine | Port Injected | Factory Mast Cylinder HeadsEngine pricing & lead times vary please call 1 866 551 4916 for pricing & delivery estimate. Click here to request a custom engine with our free engine quote questionaire. Mast Motorsports 402 Cubic inch GM Gen V LT engine Port Fuel injection or Direct Injection Wet Sump Applications Mast hand builds each engine, and remanufactures components to bring you only the highest quality engine available. Specs 402 Cubic Inch Factory Mast GM Gen V Re Sleeve
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Your 6.6 Liter GM LT Gen V | Cast Iron | Engine | Port Injected | Factory Mast Cylinder Heads orders ship within 1-2 business days.
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- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.0 ★★★★★
Based on 2499 reviews
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Product Reviews
★★★★★ 5
It was $114
Color: Stainless Steel/Blue/Stainless Steel
Very good quality for the price point accurate time piece very comfortable and durable accuracy is A1
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 10, 2026
★★★★★ 5
Snoopy Pepsi
Color: Stainless Steel/Blue/Stainless Steel/red-blue, Color: Stainless Steel/Blue/Stainless Steel/red-blue
Such a sharp looking watch!
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Reviewed in the United States on January 27, 2026
★★★★★ 1
Poor design and final product
Color: Stainless Steel/Black/Stainless Steel/Red Black
The watch looks nice. That is the only good part. It works by being wound by motion when one wears it. Should I do jumping jacks to keep it wound? I dont sleep with it on! Every morning it is not running and the date is wrong until it gets shaken. The band is hard to get it on and hard to get it to come off. It sometimes falls off though. I was trying to replace my older Timex watch and now I am back to wearing the old one that never had these problems.
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Reviewed in the United States on May 23, 2022
★★★★★ 5
Love it! Though overpriced at MSRP
Color: Stainless Steel/Blue/Stainless Steel/red-blue, Color: Stainless Steel/Blue/Stainless Steel/red-blue
I love this watch! I had it in my cart for weeks, waiting for an excuse to buy it. The thing holding me back was the $299 MSRP and price on Amazon. I noticed it went down to $200 while I was shopping on Amazon, so I immediately completed the purchase.
At Grey Market retailers, this goes for about $160 (which I think is the perfect price). Unfortunately the Snoopy edition proved difficult to find at that price as it was sold out everywhere. Even sold out on the Timex website at $299.
I still recommend it, but it's all about what you're willing to pay. For me, $200 was an acceptable price and worth it to me. As a snoopy lover, I'll give this to my kids one day! Not a doubt in my mind it won't last for a very long time as it uses a Citizen movement!
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Reviewed in the United States on June 30, 2024
★★★★★ 2
Thought it would be better quality
Color: Stainless Steel/Black/Stainless Steel/Red Black
It's only okay, I thought it would age better.
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Reviewed in the United States on February 8, 2026