


LS LS1 Coolant / Steam Port Block Off Plate Set
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
LS LS1 Coolant / Steam Port Block Off Plate SetCoolant Steam Port Plugs Includes 2 coolant ports, 2 o rings, and 2 bolts Compatible with all GM LS series engines Can be installed on the front or rear of the cylinder heads Made in Wichita, Kansas from aerospace grade, USA produced, billet aluminum *These do NOT have holes for crossover tube attachment
Quick Dispatch:
Your LS LS1 Coolant / Steam Port Block Off Plate Set orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
Order Tracking:
You'll receive a tracking link by email once your LS LS1 Coolant / Steam Port Block Off Plate Set ships.
Need Help?
Questions about LS LS1 Coolant / Steam Port Block Off Plate Set, sizing, or delivery? We're just an email away.
Live Shipping Estimates:
Enter your location at checkout to see available shipping methods and costs for LS LS1 Coolant / Steam Port Block Off Plate Set in your area.
Get Shipping Estimates
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
You may also like
4.4 ★★★★★
Based on 1985 reviews
Sort
Product Reviews
★★★★★ 5
Easy
Size: CF11966&CA12166
Perfect fit. Easy to install. Good price. When changing the cabin filter the screw removal is a little easier if you notch out the plastic in front of it. Its behind the glove box and is not noticeable.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 11, 2026
★★★★★ 4
Filter My Cash
Size: CF12150&CA10262
Awesome quality filters and fit just like original equipment. Dealer wanted $140.00 to install. $21 And ten minutes later I was done. Got them next day.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 3, 2026
★★★★★ 5
Great product
Size: CF10134&CA11476
Price great. Fit perfectly
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 23, 2026
★★★★★ 5
Fit
Size: 8.8" x 9.3" x 1.1"
Product looks and works well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2026
★★★★★ 5
Easy installation
Size: 8.8" x 9.3" x 1.1"
It fit my 2011 Honda accord coupe 👍🏼
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 15, 2026