COMP Cams Super Valve Lock 5/16in

Marsoni

M251S

$51.24

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

COMP Cams Super Valve Lock 5/16inlock angle and . 308" 5 16" valve stem size are recommended for all Race Applications. Catalog User 1 This Part Fits: Year Make Model Submodel 1970 1971 Dodge Challenger Base 1970 1971 Dodge Challenger R T 1969 1971 Dodge Charger 500 1966 1971 Dodge Charger Base 1969 Dodge Charger Daytona 1967 1971 Dodge Charger R T 1969 Dodge Charger SE 1971 Dodge Charger Special Edition 1971 Dodge Charger Super Bee 1966 1970 Dodge Coronet 440 1966 1970 Dodge Coronet

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I sprayed off the shutters before using. Then applied the product. It’s a thicker, white liquid. (Think lotion) it applied easily and dried quickly since it was being absorbed into the plastic shutters and aluminum windows; mine were very ‘thirsty’ from being in the direct afternoon sunlight. I like how I didn’t have to worry if one part rcvd more product than another. It blended easily. I think it looks good, but so did using other products over the years. I was told by a neighbor that this was the best product to use on them and other plastics. Time will tell if it holds up.

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Reviewed in the United States on May 1, 2026

Verified Purchase

Lovin’ life

Houston, US

★★★★★ 5

Works great

Style: Trim & Plastic Restorer, 12 fl. oz.

This shined up my car really well, looks like new!

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Reviewed in the United States on May 24, 2026