S&S® Chain Drive & Gear Drive Camshafts for 1999-Up Big Twins
Cam	Event	Open	Close	Lift	TDC	Duration	Centerline
HP103	Intake	20	49	.575	.199	249.0	102.7	07 up
	Exhaust	50	22	.575	.206	251.0	101.5
MR103	Intake	13	33	.585	.097	226.0	100.0	07 up
	Exhaust	50	22	.585	.191	252.0	104.0
475	Intake	2	34	.475	.060	216.0	106.0
	Exhaust	36	4	.475	.060	220.0	106.0
509	Intake	18	18	.509	.174	216.0	90.0
	Exhaust	46	11	.509	.140	237.0	107.5
510	Intake	20	38	.510	.187	238.0	99.0
	Exhaust	52	20	.510	.178	252.0	106.0
546	Intake	5	55	.546	.126	240.0	115.0
	Exhaust	52	5	.546	.106	237.0	113.5
551	Intake	17	19	.550	.178	216.0	91.0
	Exhaust	41	17	.550	.170	237.0	102.0
557	Intake	6	27	.557	.113	212.0	100.0
	Exhaust	39	12	.557	.146	231.0	103.0
570	Intake	20	40	.570	.187	240.0	100.0
	Exhaust	55	20	.570	.179	255.0	107.5
583	Intake	5	18	.583	.113	203.0	96.5
	Exhaust	58	24	.583	.206	245.0	107.0
S&S® Chain Drive & Gear Drive Camshafts for 1999-Up Big Twins
Cam	Event	Open	Close	Lift	TDC	Duration	Centerline
585	Intake	20	45	.585	.186	245.0	102.5
	Exhaust	60	20	.585	.179	260.0	110.0
625	Intake	20	55	.625	.189	255.0	107.5
	Exhaust	60	20	.625	.184	260.0	110.0
635HO	Intake	19.5	43.5	.635	.186	243.0	102.0	07 up
	Exhaust	58.5	37.5	.635	.284	276.0	100.5
640	Intake	25	60	.640	.228	265.0	107.5
	Exhaust	65	25	.640	.214	270.0	110.0
675	Intake	25	64	.675	.235	269.0	109.5
	Exhaust	70	25	.675	.205	275.0	112.5