SKU: 55212056921

Supertech Titanium Retainers - B/D/F/H/K-series

Sale price$99.55 Regular price$110.61
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Ships within 48 hours · Estimated delivery Jul 21 - Jul 26

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Description

Supertech Titanium Retainers - B/D/F/H/K-seriesSupertech titanium retainers are manufactured from high quality, military certified, 6AL4V titanium alloy and CNC machined for a precise fit that will ensure long term durability and many race hours of use. Supertech titanium retainers help to prevent valve float and strengthen your valvetrain while being featherweight. They can handle a maximum net lift of 15. 10mm. Coil bind is measured at 24. 7mm and seat pressure was measured at 10. 51lbs. per

Supertech titanium retainers are manufactured from high quality, military certified, 6AL4V titanium alloy and CNC machined for a precise fit that will ensure long term durability and many race hours of use.

Supertech titanium retainers help to prevent valve float and strengthen your valvetrain while being featherweight. They can handle a maximum net lift of 15.10mm. Coil bind is measured at 24.7mm and seat pressure was measured at 10.51lbs. per min.

Engine Applications

  • D-series VTEC (all)
  • B-series VTEC (all)
  • F20/22C (S2000)
  • H22Ax (all)
  • K-series - **K20A/K20A2/K24A2 engines.

16pc set.

**Important K-series Retainer Info:

Supertech Titanium K-series retainers require the use of either OEM K-series dual-valve-spring keepers or Supertech brand keepers for proper fitment. Keepers from a single valve spring equipped K-series engine are incompatible with Supertech titanium retainers. Honda changed the OEM keeper groove angle on all 04+ K20-series engines (ie. single valve spring equipped) making them incompatible with all dual valve spring retainers.

See list below for factory single and dual valve spring equipped K-series vehicles/engines:

Factory single valve spring equipped K-series engines:
- 02-05 Civic Si K20A3
- 02-06 RSX Base K20A3
- 04-06 RSX Type-S K20A2/Z1
- 06-11 Civic Si K20Z3

Factory dual valve spring equipped K-series engines:

- 02-mid'03 RSX Type-S K20A2
- 04-08 TSX K24A2
- 00-09 S2000  F20C/F22C
- 01-10 JDM RSX Type-R & Civic Type-R K20A

Supertech keepers (5.5mm 7-degree keeper) part number:  KPR-5.5/7A x 32pcs
OEM Honda/Acura part number: 14781-PR7-A01 x 32pcs

If performing a full dual valve spring upgrade to a single valve spring equipped K-series engine, dual valve spring seats are required to complete the upgrade aside from dual valve springs, retainers, and keepers,.

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: 55212056921

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4.7 ★★★★★
Based on 13 reviews
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Verified Purchase
Haley Monacchio
Los Angeles, US
★★★★★ 5
My Samoyed loved this!
Size: Medium
My dog’s favorite thing. This is his 4th toy and he loves it. The quality is great and it lasts very long. Definitely worth every penny you spend. It keeps my samoyed engaged every morning and every night. There is no choke hazard, so all dogs can use it
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 12, 2026
S
Verified Purchase
Sarah W. Michels
Alexandria, US
★★★★★ 5
Long lasting
Size: Medium
My dogs love these and they last pretty long. I take them away when they get very small so I think they’re pretty safe.
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Reviewed in the United States on May 27, 2026
C
Verified Purchase
Corinne S
Port Orchard, US
★★★★★ 3
Meant for bigger dogs than mine
Size: Small
I bought this for my 10 month old pup who’s a VERY aggressive chewer. I’m going to say this is made for a large, older (than mine) dog. She tried to chew a couple times but eventually just walked away from it when I offered it to her and she had only made a few scratches in it. If you have that bigger dog that’s an aggressive chewer, it would be a good value for your money and will keep the engagement high for a long time with its heavy duty quality.
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Reviewed in the United States on April 3, 2026
D
Verified Purchase
DG
Carnegie, US
★★★★★ 5
Finally… a dog chew that doesn’t become a homemade prison shank
Size: Medium
My dog has a real talent: turning every “tough chew” into a sharp, weaponized shard that could star in an episode of Locked Up: Canine Edition. But THIS chew? Absolute game changer. For the first time ever, I can relax—no splinters, no pointy edges, no fear he’s secretly crafting a shiv under the couch. Just happy, safe chewing that actually lasts longer than five minutes. It’s durable, it’s safe, it keeps him busy, and I no longer feel like I’m living with a furry little inmate planning an escape. Highly recommend if your dog chews like he’s got nothing but time.
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Reviewed in the United States on January 29, 2026
A
Verified Purchase
Axmceach
Louisville, US
★★★★★ 4
Would buy again
Size: Small
Would have given 5 stars, but my dog was able to chew this down pretty quickly, so not the most durable. I do like that this is made with better material than other dog chews, so I would buy again.
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Reviewed in the United States on February 12, 2026

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