SKU: 78281341155

Inline PRO Custom M11 to M12 Conversion Transition Tap Kit K / B Series VTEC B16A B18C1 K20A/Z K24A

Sale price$104.36 Regular price$115.95
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Ships within 48 hours · Estimated delivery Jul 24 - Jul 29

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Description

Inline PRO Custom M11 to M12 Conversion Transition Tap Kit K / B Series VTEC B16A B18C1 K20A/Z K24A**SPECIAL ORDER. CONTACT BEFORE PURCHASING** Inline Pro Custom M11 to M12 Conversion Transition Tap Kit for M12 head studs. This custom transition tap kit is used to easily convert the existing M11x1. 5 threads to the larger M12x1. 5 threads for the M12 head stud upgrade. Super easy to use. Just chase the old threads and convert it to the next larger size for superior holding power. For the K series K20 K24A engines, there's no need to drill the block

**SPECIAL ORDER. CONTACT BEFORE PURCHASING**

Inline Pro Custom M11 to M12 Conversion Transition Tap Kit for M12 head studs.

This custom transition tap kit is used to easily convert the existing M11x1.5 threads to the larger M12x1.5 threads for the M12 head stud upgrade.

Super easy to use. Just chase the old threads and convert it to the next larger size for superior holding power.

For the K-series K20 K24A engines, there's no need to drill the block or the cylinder head and uses the stock dowel pins.

For the B-series B16A B18C LS/VTEC engines, there's no need to drill the block but the cylinder head stud holes will need to be slightly opened up to clear the larger M12 studs.

Includes: One custom M11 to M12 transition tap and one extended reach M12x1.5 bottoming tap.

*Please note: "This is not a repair kit and cannot be used on damaged threads!"

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 78281341155

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Miguel Quezada
New York, US
★★★★★ 5
Great price
Great product
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Reviewed in the United States on May 23, 2026
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Alan C
San Leandro, US
★★★★★ 5
Give me a try I don’t think it’ll let you down
This has to be the best oil I ever used. I noticed the difference as soon as I put the oil in and started the engine.! I will continue to use this oil for as long as I own, the vehicle and any future cars I may own or drive! I read 75% of the reviews before purchasing this oil . The only thing I’ve noticed. Anyone who gave it below a five star was because they received used motor oil.. in my opinion I think it was returned after somebody filled it up with their used motor oil and returning it for their money back somehow Amazon put it back on the shelf for resale. So take it for what it’s worth but it’s really great oil.
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Reviewed in the United States on March 24, 2026
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miguel vazquez
West Palm Beach, US
★★★★★ 5
Great oil
Won’t use another brand now that I’ve used these guys. Phenomenal brand, noticeable difference in the engine.
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Reviewed in the United States on April 2, 2026
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Carlos G
Birmingham, US
★★★★★ 5
Recommended
Excellent quality, a synthetic mixture that I will no longer use another brand for my car. I removed a little noise that I had
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Reviewed in the United States on December 30, 2025
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beachboy
Waukegan, US
★★★★★ 5
Buy it !
I run this in our 2010 PT Cruiser Classic, you can hear the difference, pricey but worth it, will buy again.
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Reviewed in the United States on May 9, 2026

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