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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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911 (964) 1989 - 1993 (7 products)
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GR86 (ZN8) 2022 - Present (5 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)
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Audi (22 products)
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Fiat (2 products)
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)
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Renault (21 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 (12 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 (6 products)
M3 (G80 | G81) 2020 - Present (18 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 (15 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 (EG) 1991 - 1995 (3 products)
Civic (EH) 1991 - 1995 (3 products)
Civic (EJ) 1991 - 1995 (4 products)
Civic (EK) 1995 - 2000 (5 products)
Civic (MA|MB|MC) 1995 - 2000 (3 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)
Civic Type R JDM (FD2) 2007 - 2011 (3 products)
Clubman (F54) 2015 - 2024 (3 products)
Clubman (R55) 2007 - 2014 (3 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)
Countryman (F60) 2017 - 2023 (3 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) (21 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 II RS 1998 - 2005 (3 products)
Clio III RS 2005 - 2012 (4 products)
Clio IV RS 2012 - 2015 (3 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)
Porsche Other (16 products)
Supra MK4 (A80) 1993 - 2002 (4 products)
GR Yaris Gen 2 (2024+) (2 products)

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Lowering Springs (37 products)
Suspension (647 products)
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687 products

STG GR Yaris Height Adjustable Spring Kit

Sold out

STG GR Yaris Height Adjustable Spring Kit

Regular price From £695.00 GBP

Regular price Sale price From £695.00 GBP

Sold out
AST Adjustable Drop Links - BMW 1 Series F20 | F21 (M135i & M140i)

AST Adjustable Drop Links - BMW 1 Series F20 | F21 (M135i & M140i)

Regular price £180.00 GBP

Regular price Sale price £180.00 GBP
AST 4100 Toyota GR Yaris Coilover Suspension Kit (String Theory Signature Series)

Sale

AST 4100 Toyota GR Yaris Coilover Suspension Kit (String Theory Signature Series)

Regular price From £2,590.00 GBP

Regular price ~~£2,659.20 GBP~~ Sale price From £2,590.00 GBP

Sale
AST Adjustable Drop Links - BMW M3 F80 | F81

AST Adjustable Drop Links - BMW M3 F80 | F81

Regular price £180.00 GBP

Regular price Sale price £180.00 GBP
AST Adjustable Drop Links - BMW M2 F87

AST Adjustable Drop Links - BMW M2 F87

Regular price £180.00 GBP

Regular price Sale price £180.00 GBP
AST Suspension Double Digressive Valve Option

AST Suspension Double Digressive Valve Option

Regular price £480.00 GBP

Regular price Sale price £480.00 GBP
AST Suspension 5200 2-way Adjustable Inverted Coilovers - BMW 1 Series F20/F21 (2WD)

Sale

AST Suspension 5200 2-way Adjustable Inverted Coilovers - BMW 1 Series F20/F21 (2WD)

Regular price £4,900.00 GBP

Regular price ~~£5,100.00 GBP~~ Sale price £4,900.00 GBP

Sale
AST Suspension 5100 Street 1-way Adjustable Coilovers - Honda Integra Type R (DC5)

Sale

AST Suspension 5100 Street 1-way Adjustable Coilovers - Honda Integra Type R (DC5)

Regular price From £3,200.00 GBP

Regular price ~~£3,312.00 GBP~~ Sale price From £3,200.00 GBP

Sale
AST Adjustable Lowering Springs - BMW 3 Series (G80 / G81) M3 | M3 Touring (2021 - Present)

Sale

AST Adjustable Lowering Springs - BMW 3 Series (G80 / G81) M3 | M3 Touring (2021 - Present)

Regular price £900.00 GBP

Regular price ~~£936.00 GBP~~ Sale price £900.00 GBP

Sale
Ohlins GR Yaris - Fully Adjustable Coilover Kit

Sold out

Ohlins GR Yaris - Fully Adjustable Coilover Kit

Regular price £3,400.00 GBP

Regular price Sale price £3,400.00 GBP

Sold out
PWRD Air Suspension Lowering Links - Tesla Model X

PWRD Air Suspension Lowering Links - Tesla Model X

Regular price £119.99 GBP

Regular price Sale price £119.99 GBP
PWRD Stance Pack - Tesla Model X

PWRD Stance Pack - Tesla Model X

Regular price £299.99 GBP

Regular price Sale price £299.99 GBP
PWRD Stance Pack - Tesla Model Y

PWRD Stance Pack - Tesla Model Y

Regular price £499.20 GBP

Regular price Sale price £499.20 GBP
PWRD Stance Pack - Tesla Model 3

PWRD Stance Pack - Tesla Model 3

Regular price £499.20 GBP

Regular price Sale price £499.20 GBP
PWRD Air Suspension Lowering Links - Tesla Model S

PWRD Air Suspension Lowering Links - Tesla Model S

Regular price £119.99 GBP

Regular price Sale price £119.99 GBP
PWRD Progressive Rate Lowering Springs - Tesla Model Y

PWRD Progressive Rate Lowering Springs - Tesla Model Y

Regular price £347.99 GBP

Regular price Sale price £347.99 GBP
PWRD Progressive Rate Lowering Springs - Tesla Model 3

PWRD Progressive Rate Lowering Springs - Tesla Model 3

Regular price £347.99 GBP

Regular price Sale price £347.99 GBP
PWRD Stance Pack - Tesla Model S

PWRD Stance Pack - Tesla Model S

Regular price £299.99 GBP

Regular price Sale price £299.99 GBP
Hardrace Front Radiator Brace - Toyota GR Yaris

Hardrace Front Radiator Brace - Toyota GR Yaris

Regular price £112.02 GBP

Regular price Sale price £112.02 GBP
Hardrace Front Differential Anti Vibration Insert Kit - Toyota GR Yaris

Hardrace Front Differential Anti Vibration Insert Kit - Toyota GR Yaris

Regular price £69.90 GBP

Regular price Sale price £69.90 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 £69.90 GBP

Regular price Sale price £69.90 GBP
Hardrace Rear Differential Anti Vibration Insert - Toyota GR Yaris

Hardrace Rear Differential Anti Vibration Insert - Toyota GR Yaris

Regular price £69.90 GBP

Regular price Sale price £69.90 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 £56.16 GBP

Regular price Sale price £56.16 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 £183.00 GBP

Regular price Sale price £183.00 GBP

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