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Description
K&N 1.25in Flange ID x 3in OD x 2.5in H Rubber Base Crankcase Vent FilterK&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The 62 1390 crankcase vent filter has a K&N embossed chrome plated steel top with a black rubber base. The filter is 2 1 2 inches tall, 3 inches in outside diameter with a 1 1 4 inch flange which is designed to push on to the existing rubber breather grommets. This air filter is constructed
K&N crankcase vent filters are perfect for racing applications, vintage cars or individuals who want to add some aesthetics to their classic carbureted engine. The 62-1390 crankcase vent filter has a K&N embossed chrome-plated steel top with a black rubber base. The filter is 2-1/2 inches tall, 3 inches in outside diameter with a 1-1/4 inch flange which is designed to push on to the existing rubber breather grommets. This air filter is constructed with non-woven synthetic filter media so it can be cleaned and reused repeatedly. Note: Legal in California only for racing vehicles which may never be used, registered, or licensed for use upon a highway. See knfilters.com for CARB status on each part for a specific vehicle.Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 14 reviews
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Product Reviews
★★★★★ 4
Tastes great and works well
Size: 100 Count (Pack of 1)
Works great but not cheap. Tastes great too!
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Reviewed in the United States on February 7, 2026
★★★★★ 5
Be careful! Will have extra impact with any adolescents but especially boys.
Size: 100 Count (Pack of 1)
Well these tablets taste intensely sweet. There is no possiblity that any of the orginal flavor might be detected. They chew with vigours crunching noises. The directions don't say anything about taking it with food but I think it was faintly better with food than an empty stomach. On the whole the experience was like eating candy.
But you gotta be careful about how they work. Like any fiber you need to get used to taking it and in the interim you will experience gas and bloating. It's been ten days since I started and the gas hasn't gone away. The tablets seem to take about 24-48 hours before I could perceive any effect.
I don't perceive ANY softening of the stools. They seem to be as hardened as ever no matter how much water I drink before, during or after. . However the amazing amounts of gas produced propels the pellets out as if from an air gun. You should not allow any adolescents anywhere near you. You will instantly aquire a neighborhood wide reputation for setting the longest fart record *ever*. The gases do coincide with the number of intervals between doses so pellets are expelled with projectile force at regular intervals during the day. While the results may seem unimpressive apparently they add up and I no longer experience blockages.
5 stars normally but extra stars because your kids will regard you with new respect.
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Reviewed in the United States on November 15, 2025
★★★★★ 5
Prebiotic
Size: 100 Count (Pack of 1)
Good product. Quick delivery.
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Reviewed in the United States on June 2, 2026
★★★★★ 3
Animal things to work
Size: 100 Count (Pack of 1)
I need more of this
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Reviewed in the United States on May 15, 2026
★★★★★ 5
Good fiber
Size: 100 Count (Pack of 1)
Good fiber
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Reviewed in the United States on May 15, 2026