2012

- - - - - - - Side Exhaust Engines - - - - - - -


The photo above shows the Header #2074 (for OS/eqv/.18 motors) and the Pipe #1324


The first two photos show the Header #2074 the second two photos show the Header #2075

RTR Tunnel & Deep-V Racing Boat Pipe System
Description Price Stock #
for O.S. .18 CV RMX and other equivalent motors
Wrap-to-center 25°up / 17° down header pipe *!
(5/8"od tube) (this header puts the pipes right behind the motor) ( screws -4/40 x 1 1/2" fillister head )
( center to center = 27.43mm/1.080" )
44.95 2074
for O.S. .18 CV RMX and other equivalent motors
Long-to-Sharp bend/80' header pipe (5/8" o.d. tube )!
( this header is for getting the exhaust around a radio box in a Deep-V ) ( screws-4/40 x 1 1/2" fillister head )
( center to center = 27.43mm/1.080" )
30.95 2075
3.5cc (.15-.25) standard aero pipe 40.95 1120
3.5ccHNP (.18-.28) (hi nitro) the top RTR .18 racing pipe 53.95 1324
3.5ccHNMP (.18-.28) (hi nitro) Muffled Marine Pipe 73.95 1328
* Caution!! on some applications to use this header you must reverse the carburetor so the header tube won't interfere with the needle valve! As shown in the above photos.
! These Custom Marine Headers do not include Silicone Tubing
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Down-Under Center-Line & Long Down-Under


Engine(s) Fitted
( 3/4" o.d. tubing )
(uses - 5/8"id Silicone tubing)
Price Down
Under
Center
Line
Long
Down
Under
Long
Center
Line
Kraft .61
YS .61 long
35.95 2804 2805 2806 2807
OS .61 FSR
ASP .61-.91
Enya .61 X
Webra .61 SP (BO)
2854 2855 2856 2857
OS .61 SF (long stroke) 2864 2865 2866 2867
For a limited time we will be making larger headers in the
down-under & center-line configurations. You will need to call to
get sizing and availability. They will be made on a custom basis.

- - - - - - - Rear Exhaust Engines - - - - - - -

180° Marine(15°up) Headers

Egnine(s) Fitted Price Item #
O.S. .21 VZ-M Turbo(O-ring) 44.95 3345
K&B 3.5 - O.S. .21 RZ-M 3355
K&B 6.5-7.5 52.95 3455
O.S. .46 VX-M 3525

Water Cooling Insert Plates
(Placed in-between the motor and the header plate)
Egnine(s) Fitted Price Item #
O.S. .21 VZ-M Turbo(O-ring) 23.95 n/a
K&B 3.5 - O.S. .21 RZ-M 9641
K&B 6.5-7.5 24.95 9661
O.S. .46 VX-M 9681


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Fuse Top Headers

Engine(s) Fitted
( 3/4" o.d. tubing - uses
5/8"id Silicone tubing)
Stock #
standard
fuse
top
.500"
fuse
top
1.000"
fuse
top
left
hook
Price 29.95 31.95 31.95 31.95
O.S. .61-.82 VF-RF ^ 3682 3683 ^ 3684 ^ 3687
Webra .61
OPS .60
YS .61-R (long-stroke) ^
3812 3813 ^ 3814 ^ 3817
( 7/8" o.d. tubing - uses
3/4"id Silicone tubing)
standard
1.750" fuse
top
.750"
fuse
top
1.250"
fuse
top
2.250"
fuse
top
Price 43.95 48.95 51.95 53.95
O.S. 140 RX * 4742 4743 4744 4745-*
TT 120 R 4762 4763 4764 4765
Webra 120&145 LS(R) * 4782 4783 4784 4785-*
^ - Fuse-tops with 2" & 2 1/2" off-sets are alse available
* - Fuse-tops with 2 3/4" & 3" off-sets are also available


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Macs Products
7935A Carlton Rd.
Sacramento, CA 95826