Cometic Pontiac 389/421 V8 4.3in Bore .040in MLS Head Gasket

Cometic Pontiac 389/421 V8 4.3in Bore .040in MLS Head Gasket

Marsoni

M251S

$107.98

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

Cometic Pontiac 389/421 V8 4.3in Bore .040in MLS Head GasketThe HP shim technology increases clampload around the combustion chamber, thereby increasing the sealability of the head gasket around the open deck block. This Part Fits: Year Make Model Submodel 1949 1954 Jaguar XK120 Base 1952 1954 Jaguar XK120 M 1955 1957 Jaguar XK140 Base 1955 1957 Jaguar XK140 M 1955 1957 Jaguar XK140 MC 1958 1961 Jaguar XK150 Base 1958 1961 Jaguar XK150 S 1959 1966 Pontiac Bonneville Base 1959 1962 Pontiac Bonneville Custom

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Perfect for my husband. So comfortable and look like regular jeans like he used to be able to wear. All his life he would only wear Levi shrink to fit, but in last few years they were too stiff and uncomfortable due to injuries and poor health, so has been wearing stretch pants and hating them. I ordered these not expecting them to work, but they fit him perfectly and are so comfortable I ordered him 2 more pair. He is so happy to be wearing blue jeans again. One caution, other styles of this brand do not fit the same as these jeans, I ordered another and have to return them and order 1 or 2 sizes bigger than the jeans

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Reviewed in the United States on January 23, 2026

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Vince

Birmingham, US

★★★★★ 3

Sizing issue

Size: 3X-Large, Color: Beau Blue

The Material is nice and stretchy but the sizing is way off I had to get it tailored

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Reviewed in the United States on April 21, 2026

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J R

Port Orchard, US

★★★★★ 5

Good quality, stress, jeans I recommend them

Size: Large, Color: Beau Blue

Great fit I never seen jeans at stretch but they are comfortable. I tried to order a 30 for some reason they gave me a 36. It’s a little too big but I guess I’ll watch hot water. The waist will shrink. I’m gonna try to order another pair, but I want them in 34 not 36 and it’s giving me a problem when I try to order 34 pops up 36. I’ll figure it out but other than that nice jeans good quality

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Reviewed in the United States on February 9, 2026

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Linda L Landy

Battle Creek, US

★★★★★ 5

Comfortable Casual Jeans

Size: Medium, Color: Deep Blue

Soft material, perfect stretch without loosing its shape and super comfortable.

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Reviewed in the United States on April 19, 2026

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