MOTON Linear Racing Springs

Premium 140-Series Replacement Springs (61mm ID)

Engineered for professional motorsport, these 140mm 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-140-50-61	140	50	61	52	4400	88
AST-140-60-61	140	60	61	55	5100	85
AST-140-70-61	140	70	61	54	6020	86
AST-140-80-61	140	80	61	59	6480	81
AST-140-90-61	140	90	61	59	7290	81
AST-140-100-61	140	100	61	53	8700	87
AST-140-110-61	140	110	61	64	8360	76
AST-140-120-61	140	120	61	65	9000	75
AST-140-130-61	140	130	61	66	9620	74
AST-140-140-61	140	140	61	68	10080	72
AST-140-150-61	140	150	61	69	10650	71
AST-140-160-61	140	160	61	68	11520	72
AST-140-170-61	140	170	61	67	12410	73
AST-140-180-61	140	180	61	74	11880	66
AST-140-190-61	140	190	61	76	12160	64
AST-140-200-61	140	200	61	79	12200	61
AST-140-220-61	140	220	61	78	13640	62
AST-140-240-61	140	240	61	83	13680	57
AST-140-260-61	140	260	61	78	16120	62
AST-140-280-61	140	280	61	83	15960	57
AST-140-300-61	140	300	61	89	15300	51
AST-140-320-61	140	320	61	85	17600	55
AST-140-340-61	140	340	61	91	16660	49
AST-140-360-61	140	360	61	87	19080	53
AST-140-380-61	140	380	61	93	17860	47
AST-140-400-61	140	400	61	90	20000	50

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MOTON Linear Racing Springs – 140 Series (140mm x 61mm ID)

Moton Linear Racing Springs

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