


🔥 Dominate your marine engine airflow with Holley precision!
The Holley 720-11 Aluminum Marine Flame Arrestor delivers 350-600 CFM airflow capacity in a compact 5 3/4" size, engineered with Holley's century-long expertise. Designed for marine fuel-injected engines like MerCruiser 4.3L V6, it prevents flame hazards while optimizing engine performance. Lightweight, durable, and easy to install, this flame arrestor is a must-have for serious boaters who demand race-proven quality and reliability.
| ASIN | B000E0ECGO |
| Best Sellers Rank | #883,701 in Automotive ( See Top 100 in Automotive ) #31 in Powersports Exhaust Spark Arrestors |
| Brand Name | Holley |
| Color | No Color |
| Customer Reviews | 4.5 4.5 out of 5 stars (24) |
| Date First Available | December 2, 2005 |
| Included Components | Holley 720-11 Flame Arrestor |
| Item Dimensions LxWxH | 6.75 x 6.75 x 10.5 inches |
| Item Package Dimensions L x W x H | 6.9 x 6 x 4 inches |
| Item Weight | 0.55 Pounds |
| Manufacturer | Holley |
| Material | Plastic |
| Model Name | Holley 720-11 Flame Arrestor |
| Number of Items | 1 |
| Package Weight | 0.55 Pounds |
| Part Number | 72011 |
| Size | 5 3/4" |
| Suggested Users | unisex-adult |
| Warranty Description | Warranty |
J**N
Fit my Mercruiser 4.3 v-6
It’s pretty basic looking, but it does what it’s supposed to do. It fit perfectly on my fuel injected MerCruiser for v-6 4.3 liter in my Crownline boat. Came packaged well and came with two Holly stickers.
M**D
it works..
no more burnt air filters this thing does what its supposed to do.. awesome prodcut and it fit inside my scoop
K**E
Five Stars
as expected.
Trustpilot
1 month ago
5 days ago