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Collection: Suspension

We have partnered with most leading aftermarket parts manufacturers, from... Read More

We have partnered with most leading aftermarket parts manufacturers, from performance springs and coilover kits to Anti roll bars & camber arms, and are proud to be able to offer their products to our customers.

Browse our range below.

If you can't see what you're after or are not sure what you need to get the most out of your car, then get in touch with us. We can source pretty much any aftermarket parts and have a passion, enthusiasm and knowledge of vehicle dynamics, suspension tuning and chassis setup like no other.

Searching and choosing the correct suspension and axle components for your car is easy with String Theory Garage. To quickly locate your required component, browse our website using the search bar & category filters.

Aerial view of an AST 4100 kit showing 4 AST shock absorbers, 4 springs, 2 top mounts & fitting tools

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Audi (22 products)
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1 Series (E81 | E82 | E87 | E88) 2004 - 2013 (12 products)
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3 Series (F30 | F31) 2011 - 2019 (6 products)
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M5 (F90) 2017 - Present (1 product)
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911 (964) 1989 - 1993 (7 products)
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911 (997) 2004 - 2013 (28 products)
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911 (992) 2018 - Present (1 product)
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Cooper (F55 | F56 | F57) 2013 - 2024 (6 products)
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Cooper (R56 | R57 | GP2) 2006 - 2015 (4 products)
Integra Type R (DC5) 2001 - 2006 (4 products)
NSX (NA 1/2) 1990 - 2005 (5 products)
S2000 (AP1 | AP2) 1999 - 2009 (6 products)
GR Yaris Gen 1 (2020 - 2024) (23 products)
350Z | Fairlady Z (Z33) 2002 - 2008 (6 products)
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Clio III RS 2005 - 2012 (4 products)
Elise (S1) 1996 - 2001 (5 products)
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Golf MK5 (1K) 2003 - 2010 (5 products)
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Golf MK7 (5G) 2012 - 2020 (4 products)
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GTR (R35) 2007 - Present (4 products)
Impreza 3rd Gen (GE|GH|GR|GV) 2007 - 2011 (6 products)
Lancer Evolution IX (CT9A) 2005 - 2007 (5 products)
Lancer Evolution VII (CT9A) 2001 - 2003 (5 products)
Lancer Evolution VIII (CT9A) 2003 - 2005 (5 products)
Lancer Evolution X (CZ4A) 2007 - 2016 (5 products)
Scirocco MK3 (1K) 2008 - 2017 (5 products)
Silvia (S14) 1993 - 2000 (6 products)
Silvia (S15) 1999 - 2002 (6 products)
TT MK2 (8J) 2006 - 2014 (5 products)
TT MK3 (FV/8S) 2014 - 2023 (5 products)
WRX STI 1st Gen (VA) 2015 - 2021 (4 products)
GR Supra MK5 (A90) 2019 - Present (3 products)
Impreza 2nd Gen (GD) 2000 - 2007 (14 products)
R8 Gen 2 (Type 4S) 2015 - 2024 (4 products)
718 (4 products)
370Z | Fairlady Z (Z34) 2008 - 2021 (5 products)
Accord (CL7) 2002 - 2008 (4 products)
GT-R (R32) 1989 - 1994 (5 products)
Model 3 (5YJ3) 2017 - Present (8 products)
Porsche Other (16 products)
Supra MK4 (A80) 1993 - 2002 (4 products)
GR Yaris Gen 2 (2024+) (2 products)
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lowering (4 products)
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Audi (22 products)
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Honda (56 products)
Hyundai (3 products)
Lamborghini (2 products)
Lotus (21 products)
Mazda (22 products)
Mercedes-Benz (6 products)
MINI (22 products)
Mitsubishi (21 products)
Nissan (28 products)
Porsche (127 products)
Renault (21 products)
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Subaru (32 products)
Tesla (17 products)
Toyota (36 products)
TVR (8 products)
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1 Series (E81 | E82 | E87 | E88) 2004 - 2013 (12 products)
1 & 2 Series (F20 | F21 | F22 | F23) 2012 - 2021 (19 products)
1 Series (F40) 2019 - 2024 (5 products)
M2 (F87) 2016 - 2021 (12 products)
2 Series (F44 | F45 | F46) 2020 - Present (4 products)
2 Series (G42) 2021 - Present (1 products)
M2 (G87) 2023 - Present (15 products)
3 Series (E30) 1982 - 1994 (11 products)
3 Series (E36) 1990 - 2000 (13 products)
3 Series (E46) 1997 - 2006 (10 products)
3 Series (E90 | E92 | E93) 2005 - 2011 (11 products)
3 Series (F30 | F31) 2011 - 2019 (6 products)
M3 (F80) 2014 - 2018 (10 products)
3 Series (G20 | G21 | G28) 2018 - Present (8 products)
M3 (G80 | G81) 2020 - Present (20 products)
4 Series (F32 | F33 | F36) 2013 - 2020 (1 products)
M4 (F82 | F83) 2014 - 2020 (11 products)
4 Series (G22 | G23 | G26) 2020 - Present (1 products)
M4 (G82 | G83) 2020 - Present (17 products)
5 Series (F10 | F11) 2010 - 2017 (2 products)
5 Series (G30) 2016 - 2024 (1 products)
M5 (F90) 2017 - Present (1 products)
X Series (All Models) (2 products)
Z3 (E36/7 | E36/8) 1995 - 2002 (4 products)
Z4 (E85 | E86) 2003 - 2008 (10 products)
Z4 (G29) 2018 - Present (2 products)
MX-5 NC (6 products)
MX-5 ND (5 products)
911 (964) 1989 - 1993 (7 products)
911 (993) 1993 - 1997 (7 products)
911 (996) 1997 - 2006 (23 products)
911 (997) 2004 - 2013 (28 products)
911 (991) 2011 - 2019 (12 products)
911 (992) 2018 - Present (1 products)
Boxster (986) 1996 - 2004 (5 products)
Cayman | Boxster (987) 2004 - 2012 (11 products)
Cayman | Boxster (981) 2012 - 2016 (11 products)
Cayman | Boxster | Spyder 718 (982) 2016 - Present (11 products)
RX-8 (8 products)
Focus MK2 (C307) 2004 - 2010 (4 products)
Focus MK3 (C346) 2010 - 2018 (4 products)
Fiesta MK6 (B299) 2008 - 2017 (3 products)
Fiesta MK5 (BE256 | BE257) 2002 - 2008 (3 products)
Civic (EJ) 1991 - 1995 (4 products)
Civic (EK) 1995 - 2000 (5 products)
Civic Type R (EP3) 2001 - 2005 (5 products)
Civic Type R (FK8) 2017 - 2021 (5 products)
Civic Type R (FL5) 2022 - Present (5 products)
Civic Type R (FN2) 2007 - 2011 (5 products)
Cooper (F55 | F56 | F57) 2013 - 2024 (6 products)
Cooper (R50 | R52 | R53 | GP1) 2001 - 2008 (4 products)
Cooper (R56 | R57 | GP2) 2006 - 2015 (4 products)
Integra Type R (DC5) 2001 - 2006 (4 products)
NSX (NA 1/2) 1990 - 2005 (5 products)
S2000 (AP1 | AP2) 1999 - 2009 (6 products)
GR Yaris Gen 1 (2020 - 2024) (23 products)
350Z | Fairlady Z (Z33) 2002 - 2008 (6 products)
A3 (8P) 2003 - 2014 (6 products)
BRZ (Z10) 2012 - 2021 (5 products)
BRZ (ZD8) 2021 - Present (5 products)
Clio III RS 2005 - 2012 (4 products)
Elise (S1) 1996 - 2001 (5 products)
Elise (S2) 2001 - 2011 (5 products)
Golf MK5 (1K) 2003 - 2010 (5 products)
Golf MK6 (5K) 2008 - 2013 (5 products)
Golf MK7 (5G) 2012 - 2020 (4 products)
Golf MK8 (CD1) 2019 - Present (5 products)
GR86 (ZN8) 2022 - Present (5 products)
GT86 (ZN6) 2012 - 2016 (5 products)
GTR (R35) 2007 - Present (4 products)
Impreza 3rd Gen (GE|GH|GR|GV) 2007 - 2011 (6 products)
Lancer Evolution IX (CT9A) 2005 - 2007 (5 products)
Lancer Evolution VII (CT9A) 2001 - 2003 (5 products)
Lancer Evolution VIII (CT9A) 2003 - 2005 (5 products)
Lancer Evolution X (CZ4A) 2007 - 2016 (5 products)
Scirocco MK3 (1K) 2008 - 2017 (5 products)
Silvia (S14) 1993 - 2000 (6 products)
Silvia (S15) 1999 - 2002 (6 products)
TT MK2 (8J) 2006 - 2014 (5 products)
TT MK3 (FV/8S) 2014 - 2023 (5 products)
WRX STI 1st Gen (VA) 2015 - 2021 (4 products)
GR Supra MK5 (A90) 2019 - Present (3 products)
Impreza 2nd Gen (GD) 2000 - 2007 (14 products)
R8 Gen 2 (Type 4S) 2015 - 2024 (4 products)
718 (4 products)
370Z | Fairlady Z (Z34) 2008 - 2021 (5 products)
Accord (CL7) 2002 - 2008 (4 products)
GT-R (R32) 1989 - 1994 (5 products)
Model 3 (5YJ3) 2017 - Present (8 products)
Porsche Other (16 products)
Supra MK4 (A80) 1993 - 2002 (4 products)
GR Yaris Gen 2 (2024+) (2 products)
EV performance (8 products)
EV upgrades (8 products)
lowering (4 products)
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PWRD (8 products)
stance (8 products)
suspension (8 products)

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Lowering Springs (43 products)
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Suspension Kits (622 products)
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703 products

Hardrace Front Upper Camber Arm Kit - Tesla Model 3

Hardrace Front Upper Camber Arm Kit - Tesla Model 3

Regular price £801.24 GBP

Regular price Sale price £801.24 GBP
Hardrace Rear Upper Adjustable Camber Arm Kit | BMW G8x M2, M3, M4

Hardrace Rear Upper Adjustable Camber Arm Kit | BMW G8x M2, M3, M4

Regular price £321.44 GBP

Regular price Sale price £321.44 GBP
H&R Sport Lowering Springs Kit (35mm) - Toyota GR Yaris Gen 1

H&R Sport Lowering Springs Kit (35mm) - Toyota GR Yaris Gen 1

Regular price £252.78 GBP

Regular price Sale price £252.78 GBP
Toyota GR Yaris Stance Pack | Eibach Lowering Springs & STG Spacer Kit

Toyota GR Yaris Stance Pack | Eibach Lowering Springs & STG Spacer Kit

Regular price £491.66 GBP

Regular price Sale price £491.66 GBP
MMX Front Control Arm Spherical Bushings | BMW G8x M2, M3 & M4

MMX Front Control Arm Spherical Bushings | BMW G8x M2, M3 & M4

Regular price £249.99 GBP

Regular price ~~£240.00 GBP~~ Sale price £249.99 GBP
MMX Lowering Springs | BMW G99 M5 Touring xDrive (2024+)

MMX Lowering Springs | BMW G99 M5 Touring xDrive (2024+)

Regular price £299.99 GBP

Regular price Sale price £299.99 GBP
MMX Lowering Springs | BMW G20 M340i & M340d RWD

MMX Lowering Springs | BMW G20 M340i & M340d RWD

Regular price £212.93 GBP

Regular price Sale price £212.93 GBP
MMX Lowering Springs | BMW G20 M340i & M340d xDrive

MMX Lowering Springs | BMW G20 M340i & M340d xDrive

Regular price £212.93 GBP

Regular price Sale price £212.93 GBP
PWRD Air Suspension Lowering Links — Tesla Model X (2015–Current)

PWRD Air Suspension Lowering Links — Tesla Model X (2015–Current)

Regular price £99.99 GBP

Regular price Sale price £99.99 GBP
PWRD Stance Pack — Tesla Model X (2015–Current)

PWRD Stance Pack — Tesla Model X (2015–Current)

Regular price £249.99 GBP

Regular price Sale price £249.99 GBP
PWRD Stance Pack — Tesla Model Y (2020–Current incl. Juniper)

PWRD Stance Pack — Tesla Model Y (2020–Current incl. Juniper)

Regular price £416.00 GBP

Regular price Sale price £416.00 GBP
PWRD Stance Pack — Tesla Model 3 (2017–Current incl. Highland)

PWRD Stance Pack — Tesla Model 3 (2017–Current incl. Highland)

Regular price £416.00 GBP

Regular price Sale price £416.00 GBP
PWRD Air Suspension Lowering Links — Tesla Model S (2012–Current incl. Plaid)

PWRD Air Suspension Lowering Links — Tesla Model S (2012–Current incl. Plaid)

Regular price £99.99 GBP

Regular price Sale price £99.99 GBP
PWRD Progressive Rate Lowering Springs — Tesla Model Y (2020–Current incl. Juniper)

PWRD Progressive Rate Lowering Springs — Tesla Model Y (2020–Current incl. Juniper)

Regular price £289.99 GBP

Regular price Sale price £289.99 GBP
PWRD Progressive Rate Lowering Springs — Tesla Model 3 (2017–Current incl. Highland)

PWRD Progressive Rate Lowering Springs — Tesla Model 3 (2017–Current incl. Highland)

Regular price £289.99 GBP

Regular price Sale price £289.99 GBP
PWRD Stance Pack — Tesla Model S (2012–Current incl. Plaid)

PWRD Stance Pack — Tesla Model S (2012–Current incl. Plaid)

Regular price £249.99 GBP

Regular price Sale price £249.99 GBP
Hardrace Front Radiator Brace - Toyota GR Yaris

Hardrace Front Radiator Brace - Toyota GR Yaris

Regular price £93.35 GBP

Regular price Sale price £93.35 GBP
Hardrace Front Differential Anti Vibration Insert Kit - Toyota GR Yaris

Hardrace Front Differential Anti Vibration Insert Kit - Toyota GR Yaris

Regular price £58.25 GBP

Regular price Sale price £58.25 GBP
Hardrace Front Lower Arm Hardened Rubber Bushing Front - Toyota GR Yaris

Hardrace Front Lower Arm Hardened Rubber Bushing Front - Toyota GR Yaris

Regular price £58.25 GBP

Regular price Sale price £58.25 GBP
Hardrace Rear Upper Arm Hardened Rubber Bush Kit - Toyota GR Yaris

Hardrace Rear Upper Arm Hardened Rubber Bush Kit - Toyota GR Yaris

Regular price £46.80 GBP

Regular price Sale price £46.80 GBP
MMX Adjustable Rear Drop Link BMW M2 (F87, G87) M3 (F80, G80) M4 (F82, G82, F83 & G83)

MMX Adjustable Rear Drop Link BMW M2 (F87, G87) M3 (F80, G80) M4 (F82, G82, F83 & G83)

Regular price £152.50 GBP

Regular price Sale price £152.50 GBP
MMX Billet rear subframe inserts for BMW F2x & F3x

MMX Billet rear subframe inserts for BMW F2x & F3x

Regular price £173.24 GBP

Regular price Sale price £173.24 GBP
MMX Adjustable Front Drop Links for BMW M2 M3 M4 (G80 G81, G82, G83 & G87)

MMX Adjustable Front Drop Links for BMW M2 M3 M4 (G80 G81, G82, G83 & G87)

Regular price £182.00 GBP

Regular price Sale price £182.00 GBP
H&R Adjustable Front Anti Roll Bar 26mm - Toyota GR Yaris

H&R Adjustable Front Anti Roll Bar 26mm - Toyota GR Yaris

Regular price £320.61 GBP

Regular price Sale price £320.61 GBP

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