Swift Metric Coilover Springs 8-inch 65mm ID pair

In stock
SKU: Z65-203-040
DISCLAIMER: Special Orders May take 2-3 weeks or longer for delivery depending on the manufacturer.  Not refundable or returnable.
Regular price $188.70
Regular price -15% $222.00 Sale price $188.70

*Images are for reference only, the actual product may vary.

8" Swift Springs are sold in Pairs.

Swift springs for use with most coilover kit's that use 65mm ID springs. These are 8" springs with 65mm Inner diameters.  Replace your old worn out springs, or change up spring rates with top shelf Swift  springs. 

Swift springs are a great way to Improve ride quality and customize your coilovers spring rates.  Most coilover brands do not recommend going more than 2-4K higher or lower than original spring rates for the best damper performance.  Silver's kits can generally handle a 4k rate difference with no issues. 

8" LENGTH
PART NUMBER SPRING RATE USABLE STROKE MAX STROKE
kgf/mm lbs/inch mm Inch mm Inch
Z65-203-040 4.0 224 132 5.2 139 5.5
Z65-203-050 5.0 280 126 5.0 133 5.2
Z65-203-060 6.0 336 118 4.6 131 5.1
Z65-203-070 7.0 392 115 4.5 127 5.0
Z65-203-080 8.0 448 107 4.2 128 5.0
Z65-203-090 9.0 504 102 4.0 128 5.0
Z65-203-100 10.0 560 100 3.9 125 4.9
Z65-203-110 11.0 616 92 3.6 126 5.0
Z65-203-120 12.0 672 92 3.6 125 4.9
Z65-203-130 13.0 728 89 3.5 125 4.9
Z65-203-140 14.0 784 87 3.4 123 4.9
Z65-203-160 16.0 896 87 3.4 116 4.6
Z65-203-180 18.0 1008 82 3.2 118 4.6
Z65-203-200 20.0 1120 79 3.1 118 4.7
Z65-203-220 22.0 1232 78 3.1 109 4.3
Z65-203-240 24.0 1344 77 3.0 109 4.3

 

Coilover Spring ID (Inner Diameter) by Brand: 

Apexi N1 Suspension - 65mm ID
Bilstein Suspension - 60mm ID
BC Racing Suspension - 65mm ID
B&G suspension - 65mm ID
Broadway Static - 60mm ID
Buddy Club Suspension - 65mm ID
CX Racing Suspension - 65mm ID
CKS suspension - 60mm ID
Cusco Suspension - 65mm ID
D2 Racing Suspension - 65mm ID
DGR Suspension - 65mm ID
Eibach Suspension - 65mm ID
H&R suspension - 65mm ID
HKS suspension - 65mm ID
HSD suspension - 65mm ID
Fortune Auto Suspension - 60mm ID
Feal Suspension - 65mm ID
Function and Form Suspension - 65mm ID
GodSpeed Suspension - 65mm ID
ISC Suspension - 65mm ID
ISR Suspension - 65mm ID
JIC Magic Suspension - 65mm ID
JRZ Suspension - 65mm ID
K Sport Suspension - 65mm ID
KW Suspension - 60mm ID
K-Tuned Suspension - 65mm ID
Megan Suspension - 65mm ID
Ohlins Suspension - 65mm ID
Powered by Max Suspension - 65mm ID
RSR suspension - 65mm ID
Stance Suspension - 65mm ID  
Skunk2 Suspension - 65mm ID
ST suspension - 65mm ID
Tanabe Suspension - 65mm ID
Tein Suspension - 70mm ID
Vogtland Suspension - 65mm ID
Yellow Speed Suspension - 65mm ID