Supertech - Nissan RB20DET & RB25DET / NEO Bronze Magnesium Exhaust Valve Guides 6mm Stem - Set of 24 - GDE-NSR6-i-12 / GDE-NSR6-E-12

Supertech - Nissan RB20DET & RB25DET / NEO Bronze Magnesium Exhaust Valve Guides 6mm Stem - Set of 24 - GDE-NSR6-i-12 / GDE-NSR6-E-12

Marsoni

M251S

$151.50

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

Supertech - Nissan RB20DET & RB25DET / NEO Bronze Magnesium Exhaust Valve Guides 6mm Stem - Set of 24 - GDE-NSR6-i-12 / GDE-NSR6-E-12Supertech Nissan RB20DET & RB25DET NEO Bronze Magnesium Exhaust Valve Guides 6mm Stem Set of 24 GDE NSR6 i 12 GDE NSR6 E 12 Expertly crafted for RB20 & RB25 engines, these 6mm stem exhaust valve guides are made with top quality Bronze Magnesium for ultimate performance. Get the perfect fit and maximum durability with this set of 24 valve guides, designed for S1, S2, and NEO engines. Enhance your engine's performance with Supertech.

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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

Grantham, 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

Verified Purchase

Stuart R. Stengel

Pawtucket, US

★★★★★ 5

Great Stuff

Size: 120 ML

Product is good, Easy to spread for the most part. The only complaint I would give it is that the applicators do not hole up after several applications, I would suggest using a microfiber cloth to apply.

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Reviewed in the United States on June 1, 2026

Teresa Wilson

Los Angeles, US

★★★★★ 5

Restored My Trim Instantly

Size: 120 ML

I used this plastic restorer on the faded trim around my SUV, and the difference was immediate. The dull gray plastic turned back to a rich black color within minutes. It spreads evenly and doesn’t leave greasy streaks behind. After a few weeks and several rainy days, the finish still looks great. My car honestly looks years newer now.

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Reviewed in the United States on May 11, 2026