Type R Club of America

FWIW, here are specs for the Cusco 25mm RSB:

Brand: CUSCO
Product: Rear Sway Stabilizer Bar - DC2 DB8
Part Num: 321 311 B25

SPECIFICATIONS:
Position: Rear

Honda Integra Type-R DC2 (Zenki/Chuki)
Outer Diameter:
- Standard: 22
- Cusco: 25
Adjustable Type: No
Ratio with Standard:
- 1st Stage: 139%
- 2nd Stage: -
- 3rd Stage: -
Note: bushing included.
Mounting time: 0.5 Hours

Honda Integra Type-R DC2 (Kouki)
Outer Diameter:
- Standard: 23
- Cusco: 25
Adjustable Type: No
Ratio with Standard:
- 1st Stage: 117%
- 2nd Stage: -
- 3rd Stage: -
Note: bushing included.
Mounting time: 0.5 Hours

Honda Integra Type-R DB8
Outer Diameter:
- Standard: 23
- Cusco: 25
Adjustable Type: No
Ratio with Standard:
- 1st Stage: 117%
- 2nd Stage: -
- 3rd Stage: -
Note: bushing included.
Mounting time: 0.5 Hours

COMPATIBILITY NOTES:
Integra DC2: Only Type-R 7/93-7/01
Integra DB8: Only Type-R 10/95-7/01

Dave7CDMTYPER wrote: ↑Thu Apr 30, 2020 3:07 pm FWIW, here are specs for the Cusco 25mm RSB:

Brand: CUSCO
Product: Rear Sway Stabilizer Bar - DC2 DB8
Part Num: 321 311 B25

SPECIFICATIONS....

Honda Integra Type-R DC2 (Zenki/Chuki)
Outer Diameter:
- Standard: 22
- Cusco: 25
Adjustable Type: No
Ratio with Standard:
- 1st Stage: 139%....

Honda Integra Type-R DC2 (Kouki)
Outer Diameter:
- Standard: 23
- Cusco: 25
Adjustable Type: No
Ratio with Standard:
- 1st Stage: 117%...
Honda Integra Type-R DB8
Outer Diameter:
- Standard: 23
- Cusco: 25
Adjustable Type: No
Ratio with Standard:
- 1st Stage: 117%...

Based off these numbers, we can calculate the rate of the Cusco bar to confirm:
USDM 22mm: 292lbs/in x 139% = 405.88lb/in
JDM 23mm: 347lbs/in x 117% = 405.99lb/in

This confirms the 406lbs/in numbers I had found.