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HKS Max IV SP Coilovers - Scion FR-S / Subaru BRZ / Toyota 86
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Product Description
The sport model to have a comfortable drive even in the winding road.
This "MAX IV SP" is the ultimate sport model for such a high grip radial tire. It will transfer the feelings straight to driver all kinds of information such as tire, road surface condition and traction. It's a perfect street sport model suspension for people who love to drive fast but still want comfort.
Application Specification Engine FA20 Model Year 12/03 - Remarks FRONT REAR Damping force adjustment 30 steps 30 steps Base valve - - Height adjustable lower bracket ○ ○ Upper mount Spherical bearing Spherical bearing Inverted/Normal type Inverted Normal Damper/Spring layout Coilover Coilover Spring rate change at factory Possible Possible Damping force adjustment with wire - - Helper spring
(Spring rate N/mm)- ○ ( 19.8 ) Ride Height mm Factory *2 Test data Adjustable range
High - Low *3Drivable range
High - Low *4FRONT Ride height *1 652 638 671 ～ 611 671 ～ 629 Against stock -19 -33 0 ～ -60 0 ～ -42 REAR Ride height *1 654 642 675 ～ 623 675 ～ 623 Against stock -21 -33 0 ～ -52 0 ～ -52 *1. Height from road surface to fender arch.
*2. Height at factory is the data tested at HKS with the setting of Full Kit. (HKS' recommended setting.)
*3. Adjustable range (However, the lowest value may not be road legal.
Even within the adjustable range, car body, arm etc. may contact. In such case, it will be hard to drive.
Damper oil leakage or any other problems caused by low ride height setting from the factory setting will void the warranty of the product.)
*4. Drivable range that there is no contact of car body or arms etc. (However, change of tire/wheel size may cause a problem.)
Caution). Actual data depends on each vehicle.Kit information Spring of Full Kit F R Spring rate N/mm(kgf/mm) 78 ( 8 ) 78 ( 8 ) Free height (mm) 170 150 Spring type Straight Straight Recommended range to change spring rate N/mm(kgf/mm) ±20 ( 2 ) ±20 ( 2 ) Specification of damper F R Damping force (Rebound/Damping)N* 1000 / 300 750 / 250 Default position of dial 15 15 Remaining damper stroke (Rebound/Damping)mm 33 / 54 46 / 54 * The value of the damping force is at piston speed of 0.1m/sec. Setting data F R Default Test Drivable limit
High *Drivable limit
Low *Default Test Drivable limit
High *Drivable limit
Low *Length of
case (mm)225 212 243 204 255 245 271 235 Spring
Set length(mm)168 168 168 168 199 199 199 204 Length to ride hight
adjuster (mm)38 25 56 17 25 15 41 0 Lever ratio 1.06 1.28 * Refer to the above explanation *3 of ride height information for drivable high and low limitations. Test vehicle information F R Vehicle weight kg 669 507 Tire size (Air pressure) kPa 225 / 40 - 18 ( 200 ) 255 / 35 - 18 ( 200 ) Wheel size 8.0 JJ × 18 off +40 9.0 JJ × 18 off +52 Alignment
(Toe/Camber)Test data -0°00' / -1°00'･-3°00' ±0° / -2°30' Standard value - - * Test data at HKS. -
Product Reviews
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Manufacturer Insight
HKS was founded in 1973 by two talented young engineers in Japan and has since become a world leader when it comes to high end engine tuning, international racing teams, drifting, and turbo supplies. HKS has been an industry leader in aftermarket parts for 35+ years in turbo products, drag racing equipment, drifting products, and more. HKS is known for its great performance, reliability, and quality.
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