SKU: 27490999126

SpeedFactory Racing Heavy Duty Detent Spring Kit

$15.29 $16.99
Save 10%
No.2 Bestseller on sm10m.ch >

Pay in installments of $4.25 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Sep 28 - Oct 3

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

SpeedFactory Racing Heavy Duty Detent Spring KitThe SpeedFactory HD Detent Spring Kit fits all hydraulic DOHC B Series (B16, B18, B20), cable (YS1 only), all K Series, ONLY D16Y, F20B, F22A B, H22A, and H23 transmissions. We have been using these springs in our own transmission builds for years, and now you can too ! Add enjoyment to your driving experience with this simple to install and inexpensive upgrade that gives improved feel and shift action as you engage each gear. The SpeedFactory HD

The SpeedFactory HD Detent Spring Kit fits all hydraulic DOHC B-Series (B16, B18, B20), cable (YS1 only), all K-Series, ONLY D16Y, F20B, F22A/B, H22A, and H23 transmissions.

We have been using these springs in our own transmission builds for years, and now you can too ! Add enjoyment to your driving experience with this simple to install and inexpensive upgrade that gives improved feel and shift action as you engage each gear.

The SpeedFactory HD Detent Spring Kit is a set of upgraded coil springs that increases the positive ratcheting feel of your transmission, with an over 80% increase in spring rate over the soft factory springs.

These spring kits are suitable for use in any car, street or track and are ideal for anyone desiring improved shifting feel.

Greatly improved tactile feedback/feel of each shift also helps ensure that the fork is fully in the desired gear position, and that it stays there.

Simple installation takes just minutes in the car:

1) Remove the OEM Spring Setting Bolts one at a time, taking care not to lose the OEM spring or ball.

2) Install the OEM ball, SpeedFactory HD Spring, and the OEM Spring Setting Bolt.

3) Torque Spring Setting Bolt to proper OEM specification (16 ft.- lb.)

4) Repeat this procedure to upgrade all detent springs in your transmission.

5) Enjoy crisper, more defined shifting!

Lifetime warranty against manufacturing defects.

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: 27490999126

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.7 ★★★★★
Based on 29 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
S
Verified Purchase
Shance L McGuffey
West Palm Beach, US
★★★★★ 5
If they can't fix it they will replace it.
This protection plan that i pay monthly for paid for itself ten fold. My 3D printer just quit working and after the manufacturer warrenty had ran out at that. I submitted my claim they emailed me a shipping label in which I shipped out my printer that same day. Two days later they received my printer determined it couldc not be fixed and sent me a Amazon gift card for the full price of my printer. Today I will be receiving my new 3d printer thanks to Complete Protect. I highly recommend anyone and everyone to purchase this policy. This warrenty is like having a home warrenty like Homeshield but for your electronics and probably other stuff that i just have not read to see what else. This insurance will save me so much money over the corse of this year and every year after that. Thank you Complete Protect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
M
Verified Purchase
Michelle
Port Orchard, US
★★★★★ 5
Chromebook coverage.
EXCELLENT COVERAGE, hassle free, just had to return product for evaluation & decision. The only complaint I have is there was NO communication on the status of my returning the Chromebook for repair or replacement. I had to keep calling. I did get the full value of purchase on an Amazon gift card so I could buy another one for grandson’s school. Thank You SOOO MUCH ASURION, eternally grateful for your assistance! Will always purchase your coverage. MiMi
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 5, 2026
T
Verified Purchase
Toveth Noyse
Belleville, US
★★★★★ 5
Received giftcard money to replace my plan-protected malfunctioning motherboard
I've been subscribing to the Asurion protection plan for a while. Recently, an Asus Prime PC motherboard I had bought a few months ago on Amazon stopped working well. I ended up considering filing a claim with Asurion to see if they would either fix/replace it or issue the purchase price money, so I could buy the failed electronics replacement component again for my custom-built PC. I went to the protection plan's website and started the claim filing process but couldn't find the category my failed component would be under in order to select it from the drop-down list. I ended up messaging the live customer service. The chat messaging was somewhat slow, the agent told me they were experiencing some communication delays throughout their systems. Ultimately, the agent was very kind and understanding, and completed the claim filing process for me on her side by asking me to provide the necessary info such as the item's product name, date of purchase, price before taxes, etc. I received a printable UPS shipping label in the email, printed it, and returned the item in the mail. Approximately 2 days later, I received an Amazon giftcard code in the email with the dollar amount equal to the item's price before the sales tax. Then I redeemed the giftcard code on the Amazon page and proceeded to apply the giftcard money to my next purchase of a replacement Asus prime motherboard, and it all worked out successfully. Therefore, I had no issues with the protection plan service and recommend it to others.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
S
Verified Purchase
Steve
West Palm Beach, US
★★★★★ 4
Fast and easy but I dont trust the process to be fully automated.
The process was very smooth and fairly quick. The only challenge I had was that the CLAIM status showed complete but I had to manually go look up the status. There was no email or notification it was closed. After manually checking the status, I called customer support and they said since I called in, they would process the payout. I wonder if I didnt call in if they would have processed it? Also, the phone rep said they would issue me a amazon egift card but then the next day I received a email saying they mailed out the payout. Very poor communication but so far the process was easy and fast.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 1, 2026
G
Verified Purchase
Glen Armstrong
Port Orchard, US
★★★★★ 5
Good protection, easy process
First time filing a claim. Super easy and fast. Nice to have have protection and a smooth claims process when the unfortunate happens..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 25, 2026

recommand products

ゆうパケット おしゃれヨットでバカンスの旅(スケアー地・スカイブルー) スケアー生地
152.00
恐竜王者が大集合(スケアー地・ネイビー) ラミネート(厚み0.08mm)生地
139.00
サンドドット 11号帆布生地
228.50
Dr. Reckeweg R3 Heart Drops -Blockage and Valvular
19.99
トラベルポーチLサイズ ボタニカルガーデン
1140.00