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Factory Mast LT Cylinder Head - Dual Valve Spring & Titanium Retainer Kit - 0.660 Lift

Marsoni M251S
Sale price$185.47
Pay 4 payments of $46.37 a month.Shop Pay
Get it in 3 business days with 1 day shipping. Friday, May 29
Factory Mast LT Cylinder Head - Dual Valve Spring & Titanium Retainer Kit - 0.660 LiftFits Factory Mast LT and GM OE Casting Heads Factory Valve Guide Specs: Rated Valve Lift 0. 660 inches Installed Height 1. 800 @ 166 lbs Spring Rate: 403# in Solid Height 1. 015 Spring OD 1. 310" Spring ID 0. 680" Works with aftermarket 0. 575 Valve Guide Kit includes: Dual Valve Springs Titanium Retainers Custom Thick Chrome Moly Spring Seats Valve Stem Seals Billet Machined Chrome Moly Valve Locks Product Details: Manufactured in the USA Premium
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  • We offer a 30-day return/exchange service after receiving.
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4.5 ★★★★★
Based on 282 reviews
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Verified Purchase
Mandy
Draper, US
★★★★★ 5
Great quality for value
Style: Cap & Heat Press Bundle
Full set of items you need to start creating fun stuff. Price point is great for everything you get as well as the quality of the items.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 7, 2026
C
Verified Purchase
Cheryl Marz
Los Angeles, US
★★★★★ 4
Loving it
Style: Cap & Heat Press Bundle
The printer is a really good one. After several attempt to get a really good print, I found out you have to have a png design saved at at least a 300 resolution. The heat press seems good but after ruining two kids shirts because I had it set to hot and the pressure was down instead of up so I was applying too much pressure and then trying to figure out why there was blue all over the shirts, I realized the blue silicone pad is what's leaving blue all over the shirts. To combat that I put parchment paper hanging clear down over all edges under the shirt, in the shirt then over the top of the design on the shirt. Finally I had success. I don't know if the company has better silicone pads but this one isn't that good if it bleeds all over.
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Reviewed in the United States on November 23, 2024
S
Verified Purchase
SalinasWeddingstuff
Louisville, US
★★★★★ 5
Subliminal package
Style: Cap & Heat Press Bundle
It works great
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 30, 2025
E
Verified Purchase
EGee
Charlottesville, US
★★★★★ 5
If you have a Cricut you need this
Style: Starter Bundle
Just what I needed to compliment my Cricut system. Works great, colors are perfect, set up was a breeze, connected to my wireless instantly. Prints look prefect, not all wonky like some can. Value pack was definitely worth the extra $50.
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Reviewed in the United States on February 21, 2026
N
Verified Purchase
Ninfa Velásquez
Bozeman, US
★★★★★ 5
Mi impresora
Style: Starter Bundle
I am very happy with my printer. The print quality is excellent; the colors are vibrant, and the details look crisp. That said, I must admit that I have faced a few challenges when adjusting the tones, but I believe that with a little more practice, I will master them. Overall, it is an investment I highly recommend for anyone looking to get started in the world of sublimation.
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Reviewed in the United States on May 6, 2026

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