MOTON Linear Racing Springs

Premium 180-Series Replacement Springs (61mm ID)

Engineered for professional motorsport, these 180mm length linear-rate springs provide the consistency required for high-level chassis tuning. Manufactured from high-tensile chrome silicone steel, they offer maximum travel with minimal weight, ensuring your Moton or AST coilovers perform at their peak.

Lo Open Length (mm)

R Spring Rate (N/mm)

Di Inside Diameter (mm)

Sn Block Length (mm)

Fn Force at Block (N)

St Usable Stroke (mm)

Part Number	Lo	R	Di	Sn	Fn	St
AST-180-20-61	180	20	61	-	-	-
AST-180-30-61	180	30	61	56	3720	124
AST-180-35-61	180	35	61	62	4096	118
AST-180-40-61	180	40	61	62	4720	118
AST-180-45-61	180	45	61	63	5240	117
AST-180-50-61	180	50	61	70	5500	110
AST-180-55-61	180	55	61	71	5995	109
AST-180-60-61	180	60	61	73	6420	107
AST-180-65-61	180	65	61	75	6825	105
AST-180-70-61	180	70	61	77	7210	103
AST-180-75-61	180	75	61	80	7500	100
AST-180-80-61	180	80	61	75	8400	105
AST-180-85-61	180	85	61	78	8670	102
AST-180-90-61	180	90	61	81	8910	99
AST-180-95-61	180	95	61	84	9120	96
AST-180-100-61	180	100	61	77	10300	103
AST-180-110-61	180	110	61	88	10120	92
AST-180-120-61	180	120	61	84	11520	96
AST-180-130-61	180	130	61	89	11830	91
AST-180-140-61	180	140	61	86	13160	94
AST-180-150-61	180	150	61	92	13200	88
AST-180-160-61	180	160	61	84	15360	96
AST-180-170-61	180	170	61	-	-	-
AST-180-175-61	180	175	61	-	-	-
AST-180-180-61	180	180	61	95	15300	85
AST-180-200-61	180	200	61	-	-	-
AST-180-220-61	180	220	61	92	19360	88
AST-180-240-61	180	240	61	-	-	-
AST-180-250-61	180	250	61	-	-	-
AST-180-260-61	180	260	61	-	-	-
AST-180-290-61	180	290	61	-	-	-

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MOTON Linear Racing Springs 180 Series (180mm x 61mm ID)