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Honda XL 250/350 (up to 1976) ------ XL 250
= 1972 to 1976 ------- XL 350=1974 to 1978
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| 127-00 |
127-00NB |
.345
.310 |
241 deg
243 deg |
100.5 deg
103.5 deg |
OK with stock pistons and
springs |
20 btc/41 abc
45 bbc/18 atc |
.003”
.003” |
| 127-20 |
127-20NB |
.356
.332 |
250 deg
252 deg |
103 deg
104 deg |
Best all around on and off-road cam-
OK with stock XL-350 piston. Must check clearance in
XL-250 Great mid-range and top-end. Use HVS-250 valve
springs |
22 btc/48 abc
50 bbc/22 |
.003
.003 |
| 127-60 |
127-60NB |
.417
.374 |
250 deg
250 deg |
101 deg
101 deg |
1/8 and ¼ mile modified midget
profile Strongest mid to upper range cam Must use JE
modified racing piston
and springs (below). Smooth power band.Hardface
Rocker arms REQUIRED with this cam for best service
life. |
24 btc/46 abc
46 bbc/24 atc |
.004
.004 |
| 127-90 |
127-90NB |
415
405 |
276
273 |
105
103.5 |
Full race cam. Maximum top-end power.
for high R.P.M. applications. 3/8 and 1/2 mile. Must
use #229-H, spring kit andour Hi performance
JE piston. Must grind cylinder head for clearance. Hardface
Rocker arms REQUIRED with this cam for best service
life. |
33 btc/63 abc
60 bbc/33 atc |
.005
.005 |
| Align boring of damaged
cylinder head is needed to use our needle bearing cams.
We bore cylinder beads every 15 days Send head, cover
and 4 bolts $6.00 extra to remove studs. Extra charge
for welding to repair extensively damaged cylinder heads.
All prices Plus Shipping |
| Needle
bearing cams do not have a tach drive gear. Matching
of cylinder head and cover is required to install our
needle bearing cams. |
Please eMail for prices
on above services and parts |
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Hardfaced cam (HF) qp billet core. |
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New needle bearing cam (NB) no core needed. |
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Machine customer cylinder head 127-HO tot (NB) cam |
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Rocker arms (127-RA) weld and grind/coat each cust cores. |
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#127-02 Slotted cam sprocket. |
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#206-H RID valve spring kit with aluminum tops, to .425” lift. |
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#229-H RID valve spring kit with titanium tops, to .425” lift. |
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HVS-250 Norris valve springs/use stock tops to .380” lift |
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#24-0009 Replacement oil seal for NB cam. |
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HardFace your Rocker arms.
HardFace our Rocker arms and send them to you. No Core
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