SMART Performance Spring SPRING sale!

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  • DaveJ

Posted April 12, 2008 - 03:37 PM


SMART Performance, in cooperation with the ThumperTalk Suspension Forum, is having a Spring SPRING sale.

All KYB, Pro-Circuit and Factory Connection springs are on sale for a 5-day period. If it’s a spring (metal or rubber) or related to the spring, it’s on sale.

Sale ends close of day April 17th, 2007. That’s next Thursday.

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KYB Fork Springs 06 to 08 YZ 125 to 450
.40 to .48kg/mm in .01 increments - $79.95

KYB Fork Springs 04 YZ 125 to 450
.42 to .48kg/mm in .01 increments - $79.95

KYB Fork Springs 06 to 08 KXF450
.46, .47, .48kg/mm - $79.95

All other KYB Fork Springs not mentioned above (not including YZ/KX80-85)
WR, RM, RMZ, KDX, KLX, CR – with factory equipment KYB - $85.95

KYB Shock Springs 96 to 08 125 to 450cc all 46mm shocksstd. steel
4.3 to 5.8Kg/mm in .2 increments. - $79.95

All other KYB Shock Springs not mentioned above (not including YZ/KX80-85)
WR, RM, RMZ, KX, CR – with factory equipment KYB (rate availability vary) - $85.95

KYB Factory Shock Bumpers
All KYB 16mm shafts - most 95 to 05 YZs and 00 to 08 KXs. $8.99
All KYB 18mm shafts – most 06 to 08 YZs. $9.99

KYB WORKS YZ and WR Bump Rubber Kits (three piece design – really trick!)
16mm shafts - $69.99
18mm shafts – $85.99

YZ Shock Bladders
All KYB 16mm shafts - most 95 to 05 YZs and 00 to 08 KXs. $10.99
All KYB 18mm shafts – most 06 to 08 YZs. $11.99

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Pro-Circuit Titanium Shock Spring
Most KYB and Showa applications $399.00

Pro-Circuit Fork Springs
Most KYB and Showa applications from $99.00

Pro-Circuit Linkage Systems
Available for:
CRF150R 07-08, CRF250R 06-08, CRF450R 05-08
KX125 04-05, KX250 04, KX250F 04-05
RMZ250 04-05
All $369.00

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FC Team Works Pre-Load Bearing Ring
Most KYB and Showa applications - $99.00

FC Team Works Pre-Load Bearing Ring
Most KTM/WP applications - $114.00

FC Titanium Pressure Springs (Inner Chamber Spring)
1.61, 1.76Kg/mm
Most Honda, Kawasaki and Suzuki applications - $129.00

FC SHOWA Pressure Spring Set (Inner Chamber Spring)
Most 98 to 07 applications - 1.01, 1.15, 1.42, 1.61, 1.76, 1.9
08 applications – 1.15, 1.42 - $29.95

FC KYB Pressure Spring Set (Inner Chamber or Free Piston spring)
05 YZ125/450 – 1.0, 1.3, 1.6, 1.9
06 – 08 YZ125/450 – 1.3, 1.7, 2.3
05-07 KX250, 06-08 KX450F, 08 KLX450R - 1.3, 1.7, 2.3

FC Heavy Duty Shock Bumpers
Most KYB and Showa 14 to 16mm shafts (no 18mm available) - $18.95

FC High Speed Shock Compression Adjustor Blow-off Spring
Most KYB and Showa shocks 96 to 08
Note – 06 to 08 KYB optional soft or medium rate - $13.95

Factory Connection Shock Springs - Yellow
Showa and KYB – ranging from 3.0Kg/mm to 6.7Kg/mm - $89.95

Factory Connection Shock Springs – Metallic Blue or Red
Showa and KYB – ranging from 4.2Kg/mm to 6.7Kg/mm - $115.95

Factory Connection Progressive Shock Springs – KTM PDS - Orange
98–08 – 125-530 EXC/MXC/SX/SX-F/XC/XC-F/XC-W/XCF-W
Rates 5.0/7.0, 6.0/8.0, 6.5/8.3, 7.0/9.0, 7.5/9.7, 8.0/10.3, 8.5/11.0, 9.0/11.5kg

Factory Connection Fork Springs
Most KYB and Showa forks - .26kg/mm to .52kg/mm - $89.95
Most KTM Models - .37kg/mm to .52kg/mm - $89.95

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SPI-Racing 215/VM2-K5 Suspension Liquid
Formulas – SPI-3, SPI-4, SPI-5
Note: This is still a prototype product. However, we are selling the 215/VM2-K5 in limited quantities. Full refund or exchange if not completely satisfied. See 215/VM2-K5 for details. 4 containers required per bike.
18 ounce container - $15.75 each


1. If you know precisely what you need (in other words, it’s obvious to both of us) use the attached fax form and fax the order to 408-384-6286. No cover page is required. We will email a confirmation within 12 hours after the fax arrives. Faxes can be sent/received 24/7.
2. If you need technical assistance with these or any other items, or require guidance of any sort, please contact us by emailing We try to respond to all e-mails as soon as possible (unless we’re testing or asleep).

The Details (aka the rules).

1. All items are brand new, never used.
2. All KYB springs are the factory KYB springs as used by the manufacture. Fork springs are priced and sold as pairs.
3. Prices are for ThumperTalk members only. Username required.
4. Prices do not include engineered spring calculations.
5. All orders are first come first serve to inventory on hand.
6. All orders will be processed when they arrive, but shipped on the same day, (no earlier than the closing date of the sale).
7. Many items are in stock. Some items will need to be backordered.
8. No limits.
9. Prices do not include shipping or applicable taxes.
10. All orders will be shipped USPS Priority or USPS First Class except for rural areas.
11. No rush deliveries on sale items.
12. Additional parts, such as bushing and seals can be added to spring sale orders.
13. All items have a full one-year warranty against defects and workmanship.
14. Pro Circuit linkage systems have not been tested or rated by SMART Performance.
15. Listings and pricing are subject to change (based on things out of our control) but we’ll do everything we can to honor the items and prices above.
16. Visa and MasterCard only. Sorry no PayPal, Amex or Discover.
17. Checks can be sent but may delay order processing or shipment (but we’ll try our best).

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Have questions?
E-mail us at or call 408-406-2089.


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