Home » Swift Metric Coilover Springs 4-inch 65mm ID pair
Swift Springs

Swift Metric Coilover Springs 4-inch 65mm ID pair

In stock
SKU: Z65-102-180
DISCLAIMER: Special Orders May take 2-3 weeks or longer for delivery depending on the manufacturer.  Not refundable or returnable.
$188.70
-15% $222.00 $188.70

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

4" Swift Springs are sold in Pairs.

Swift springs for use with most coilover kit's that use 65mm ID springs. These are 4" 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. 

ID 65MM (2.56") All the specs below are subject  to change without any notice.
4" LENGTH            
PART NUMBER SPRING RATE USABLE STROKE MAX STROKE
kgf/mm lbs/inch mm Inch mm Inch
Z65-102-180 18.0 1008 52 2.0 56 2.2
Z65-102-200 20.0 1120 50 2.0 55 2.2
Z65-102-220 22.0 1232 48 1.9 55 2.2
Z65-102-240 24.0 1344 48 1.9 53 2.1
Z65-102-260 26.0 1456 47 1.9 52 2.0
Z65-102-280 28.0 1568 45 1.8 52 2.0
Z65-102-300 30.0 1680 45 1.8 50 2.0
Z65-102-320 32.0 1792 44 1.7 50 2.0
Z65-102-340 34.0 1904 43 1.7 49 1.9
Z65-102-380 38.0 2128 40 1.6 47 1.9
Z65-102-420 42.0 2352 38 1.5 44 1.7
Z65-102-460 46.0 2576 38 1.5 44 1.7
Z65-102-500 50.0 2800 36 1.4 43 1.7

 

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