Engine(s) Fitted Stock #
15°1"
fuse-top
1.5-.20 Engines 16.9516.9523.95
RJL Conquest .15 320032013202
.21-.34 Engines 15°1"
fuse-top
17.9517.9526.95
K & B 3.5, O.S. .25 VF-DF 335033513352
MVVS .20R 337033713372
.40-.46 Engines 15°1.2"
fuse-top
19.9519.9528.95
K & B 6.5-7.5, Irvine .40 RE 345034513452
MVVS .40R 347034713472
O.P.S. .40 348034813482
O.S. .40-.46 VF + VR-M 352035213522
YS .45 RF 357035713572
.60-.65 Engines 15°1.5"
fuse-top
21.95 21.95 29.95
Enya .60 3590 3591 3592
K & B .67 (11cc) 3600 3601 3602
Irvine .61 RE 3610 3611 3612
Moki .61 R 3630 3631 3632
O.S. .61 VF
O.S. .65 VR-M
3680 3681 3682
MVVS .60-.77 R
Fox 60R
3720 3721 3722
Rossi .61 (for O-ring) 3760 3761 3762
S.T.X. .61 (bolt on) 3780 3781 3782
Webra .61
OPS .60
YS .61-R (long-stroke)
3810 3811 3812
Y.S. .60R (std stroke) 3860 3861 3862
Also see Special Application Headers


.91 Engines 15°1.75"
fuse-top
25.95 25.95 32.95
K & B .82-1.0 (bolt on) 3880 3881 3882
O.S. .77-.91R (bolt on) 3890 3891 3892
Rossi .91 R
K & B .82-1.0 (for O-ring)
O.S. .77-.91 VR (for O-ring)
3930 3931 3932
1.2-1.5 Engines 20° 1.75"
fuse-top
30.95 30.95 38.95
Moki 120 R 4720 4721 4722
O.S. 140 RX 4740 4741 4742-*
TT 120 R 4760 4761 4762
Webra 120 LS R, UAV 1.2 LS - 1.45 SP 4780 4781 4782-*
1.8-2.7 Engines 20° 1.75"
fuse-top
34.95 34.95 46.95
Quadra 42cc R 4860 4861 4862
Zenoah Q G-38 R 4880 4881 4882
Also see Special Application Headers
* higher off-set fuse-tops available

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Macs Products
7935A Carlton Rd.
Sacramento, CA 95826