Stainless Steel Exhaust Valves

Marsoni

M251S

$42.95

Get it in 3 business days with 1 day shipping. Friday, May 29

Stainless Steel Exhaust ValvesStainless Steel Exhaust Valves from Mast Description Head Dia. (in) Head Dia. (mm) Length (in) Length (mm) Stem Dia. Black Label Medium Large Bore LS3 LS7 Nimonic 80 Stainless Exhaust 1. 600 40. 640 5. 450 138. 430 5 16" Black Label Medium Large Bore LS3 LS7 +0. 100" Stem Inconel Exhaust 1. 600 40. 640 5. 550 140. 970 5 16" Black Label Small Bore LS3 LS1 5. 3 Cathedral Extreme Stainless Exhaust 1. 570 39. 880 5. 450 138. 430 5 16" Replacement OE LS7

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These are great, very durable, and have lasted a very long time. Much safer for my dogs than the random sticks they find in the yard. They do get shorter with chewing eventually, but they don't break off in little chunks like I've seen with some nylon chews, and they don't splinter like wood. Medium size works well for both my 16 lb Cavalier and my 60 lb Pyrenees/Golden mix. They're both moderate-to-aggressive chewers, though size obviously affects how much damage they can do. I wish you could buy the hemp chew separately because that one is very much a favorite in my house, so after 2 years and 2 purchases, I have barely any left of the remaining hemp chew, but still 2 of the dogwood chews that neither dog is as interested in anymore. I'd love to buy a couple more of just the hemp one.

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Reviewed in the United States on April 30, 2026

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Shannon Brace

Grantham, US

★★★★★ 5

Your dog will thank you.

Color: Dogwood & Fresh Breath, Size: Large

My dogs loves to chew on these. They make a small mess but not as bad as other chews. They are food for keeping teeth clean.

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Reviewed in the United States on May 31, 2026

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Anna

Grantham, US

★★★★★ 5

Nice chew toy

Color: Dogwood Mushroom, Size: Medium, Color: Dogwood Mushroom, Size: Medium

Super durable and puppy loves it. It was a bit hard for her at first but now at 5 months it’s one of her favorite things to gnaw on! It is heavy for the size but seems to be great quality and has given many hours of chew time with minimal wear.

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Reviewed in the United States on March 12, 2026

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Jennifer

San Leandro, US

★★★★★ 4

Long lasting

Color: Dogwood & Calming, Size: Medium

My dogs love these bones.

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Reviewed in the United States on March 25, 2026