Phone 360 985-0445, E-mail Keith@Johnsoncams.com

Harley Davidson Sprint/Aermacchi cams.

we regret to inform you that we are unable to accept orders for

camshafts or cylinder head services until further notice

Due to a heavy backlog of existing orders

also please note that we are, like most businesse not open for business on weekends or holidays.

our business hours are 9AM to 5PM Pacific Standard Time

we will be glad to let you know when we are again accepting orders

please send an e-mail with your request to be put on our wait list

including what camshaft or service you wish to order

thanks for your interest

11 December 2007

 



L1 Cam

Late short stroke 250 cam. 1969 and up, may be used in earlier short stroke motors.

$250.00 Lift LCA Lash Tappet Duration Open Close At
Intake .290 110° .007
Hot
Flat 325°
295°
44°btdc
30°btdc
100°abdc
85°abdc
.020
.040
Exhaust .260 109° .009
Hot
Flat 303°
277°
72°bbdc
61°bbdc
51°atdc
36°atdc
.020
.040

Cam Chart Definitions   Home Page   FAQ'S   Cylinder Head Services


N6 Cam
350 road race, also used in the 250 to give a broader power band.
$250.00 Lift LCA Lash Tappet Duration Open Close At
Intake .310 108° .007
Hot
Flat 294°
266°
71°btdc
59°btdc
43°abdc
27°abdc
.020
.040
Exhaust .275 108° .009
Hot
Flat 301°
276°
76°bbdc
65°bbdc
45°atdc
31°atdc
.020

Cam Chart Definitions   Home Page   FAQ'S   Cylinder Head Services


H Cam
Early short stroke 250 cam, up to 1968.
$250.00 Lift LCA Lash Tappet Duration Open Close At
Intake .353 100° .007
Hot
Flat 308°
285°
59°btdc
47°btdc
69°abdc
58°abdc
.020
.040
Exhaust .247 115° .009
Hot
Flat 306°
282°
88°bbdc
75°bbdc
38°atdc
27°atdc
.020
.040

Cam Chart Definitions   Home Page   FAQ'S   Cylinder Head Services