SKU: 74270070478

Supertech Performance Dual Valve Spring and Titanium Retainer Package for the Honda K20 & K24 - 97lb

$254.84 $283.16
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Ships within 48 hours · Estimated delivery Sep 12 - Sep 17

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Description

Supertech Performance Dual Valve Spring and Titanium Retainer Package for the Honda K20 & K24 - 97lbSupertech Performance Dual Valve Spring and Titanium Retainer Package for the Honda K20 & K24 97lb Supertech Performance Dual Valve Springs for the Honda K20 & K24 SPR H1019D Supertech Dual Valve Springs 97 lb Seat Pressure Kit Specifications: Outer Spring 30. 00mm OD 21. 80mm ID Inner Spring 21. 30mm OD 15. 60mm ID 97 lbs seat pressure 97 lbs @ 40. 40mm 17. 70mm Max Net Lift 22. 70mm Coil Bind 14. 80 lbs mm Rate Supertech Performance Dual Valve

Supertech Performance Dual Valve Spring and Titanium Retainer Package for the Honda K20 & K24 - 97lb

Supertech Performance Dual Valve Springs for the Honda K20 & K24 SPR-H1019D -- Supertech Dual Valve Springs -- 97 lb Seat Pressure Kit

Specifications:

  • Outer Spring -- 30.00mm OD -- 21.80mm ID
  • Inner Spring -- 21.30mm OD -- 15.60mm ID
  • 97 lbs seat pressure -- 97 lbs @ 40.40mm
  • 17.70mm Max Net Lift
  • 22.70mm Coil Bind
  • 14.80 lbs/mm Rate

Supertech Performance Dual Valve Springs are made with premium Super Clean Chrome Silicon Vanadium Steel alloy for higher performance and durability at high rpms and better memory. Computer designed to ensure that wire stress levels do not overpass the limits of stress defined in the diagrams of fatigue for long durability under extreme conditions. Computer software also allows us to make sure that the harmonics are well under control.

Titanium Retainers are manufactured with high quality military certified Titanium alloy, CNC machined for tight that will ensure long term durability.

All Dual valve spring and Titanium Retainer kits include a complete set of Inner and Outer valve springs for your specific applications. Be sure to check out our Valve spring retainer and valve packages and save!

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: 74270070478

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4.0 ★★★★★
Based on 10 reviews
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Product Reviews
J
Verified Purchase
Josh
Omaha, US
★★★★★ 5
Pen holder feature isn't good
Color: Cocoa
Edited review: previously I gave this a two-star review because when I inserted the pen into the pen holder the wallet couldn't close anymore... I tried taking it out putting it back in a few times and it seemed obvious to me that something was wrong and I just could not figure out why the wallet possibly was having an issue closing even though it's designed to hold a pen... To me it seemed obvious that when inserting the pen you should have the clip on the inside where are the bills go.... That single millimeter of space that that clip takes up in the bill fold causes the wallet to not be able to close properly so it springs open. Needless to say that felt extremely cheap for a product of this price and I was very unhappy and considering a return and after writing a bad review I happen to see product pictures with the clip on the inside of the wallet where your cards go and it dawned on me that I had just simply put the pen in in the wrong orientation. That completely solves the issue. So updated back to five stars, and the wallet is great. 2n update after using it for a week on an international trip so I was carrying my passport. Worked great - made me feel safe to always have my passport and room for all my most important documents inside a -just- large enough for a passport wallet. I really don't think they could have saved another millimeter and still made such a quality wallet. Having a micro pen in there is icing on the cake - makes you feel like James bond. I also felt safer having a hidden bill compartment so your not showing a fat stack of foreign currency (I mean depends on your use case but I was in some rather poor areas and this added some peace of mind and 'security' in my opinion). You can just keep some small bills up front and your real stack on the hidden flap. I won't dock a star for it - but keeping this on a back pocket so you're sitting on it because it's bigger and the way it holds cards after just one week there's already card imprints on the leather (just imagine your older leather wallets where the cards start wearing through the leather) Also I tested the RFD blocking and it indeed works. I'm unable to scan any cards through the wallet and that was an important feature to me. Even when the wallet is open and I ran scanners directly over cards (in the sleeves) it still didn't pick anything up.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 1, 2026
J
Verified Purchase
Jeremy N.
Louisville, US
★★★★★ 5
Works
Color: Cocoa
Good wallet that can fit a passport, hold cash, and cards. “Hidden” pockets too, but that just means more storage space to me. Soft and supple leather that gets better when conditioned and cared for properly. Main feature I like is the RFID blocking, I only get wallets that have it. Expensive- yes. Works, also yes.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 23, 2024
A
Verified Purchase
Amazon Customer
Battle Creek, US
★★★★★ 3
Really bad amazon customer service
Color: Black
The wallet seems great but the box it came in wasn't sealed. It was supposed to arrive by the 22nd and it arrived 4 days later. I needed it for a trip on the 1st. When I took it out, the wallet had two scratches at the back and the pen was also scratched. I contacted customer service and they couldn't help me in any way to get the replacement item before my departure date. I kept it anyways because of thr necessity. Gave it 3 stars because of the good quality of the wallet
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 27, 2023
A
Verified Purchase
Amazon Customer
Boise, US
★★★★★ 5
Great Shoes
Size: 10, Color: Cognac
Love these shoes super comfortable and look great. Everyone asks me where I got them.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 20, 2026
A
Verified Purchase
Amazon Customer
West Palm Beach, US
★★★★★ 5
Beautiful shoe but too narrow
Size: 10 Wide, Color: Navy Grainy Leather
Too narrow
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026

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