MOTON Linear Racing Springs

Premium 100-Series Replacement Springs (61mm ID)

Engineered for high-end motorsport dampers, these 100mm length linear springs provide exceptional consistency and roll control. Manufactured from premium chrome silicone steel, they offer the high-tensile strength required for reliable performance under heavy track use.

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-100-20-61	100	20	61	28	1440	72
AST-100-40-61	100	40	61	-	-	-
AST-100-50-61	100	50	61	39	3050	61
AST-100-60-61	100	60	61	42	3480	58
AST-100-70-61	100	70	61	45	3850	55
AST-100-80-61	100	80	61	46	4320	54
AST-100-90-61	100	90	61	46	4860	54
AST-100-100-61	100	100	61	46	5400	54
AST-100-110-61	100	110	61	47	5830	53
AST-100-120-61	100	120	61	48	6240	52
AST-100-130-61	100	130	61	49	6630	51
AST-100-140-61	100	140	61	50	7000	50
AST-100-150-61	100	150	61	52	7200	48
AST-100-160-61	100	160	61	54	7360	46
AST-100-170-61	100	170	61	55	7650	45
AST-100-180-61	100	180	61	53	8460	47
AST-100-190-61	100	190	61	55	8550	45
AST-100-200-61	100	200	61	56	8800	44
AST-100-220-61	100	220	61	57	9460	43
AST-100-240-61	100	240	61	57	10320	43
AST-100-260-61	100	260	61	58	10920	42
AST-100-280-61	100	280	61	58	11760	42
AST-100-300-61	100	300	61	59	12300	41
AST-100-320-61	100	320	61	60	12800	40
AST-100-340-61	100	340	61	58	14280	42
AST-100-360-61	100	360	61	62	13680	38
AST-100-380-61	100	380	61	60	15200	40
AST-100-400-61	100	400	61	65	14000	35

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MOTON Linear Racing Springs 100 Series (100mm x 61mm ID)