| Technical
Information :: 6655S Tri-Y Headers |
JBA Equipped - ‘69 Mustang Mach I - 428CJ Drag Pack
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to Enlarge |
JBA
p/n
6655S headers are designed to fit ‘67 - ‘70
390/427/428/428CJ Mustangs equipped with 4 spd manual
and C-6 factory transmissions.
(High Rise, Med Rise, Low Rise, CJ and Tunnel Port)
These headers provide significant increases in torque
and
horsepower
throughout the RPM range and allow
for maximum ground clearance.
To help make sure you choose the correct headers,
h-pipe and exhaust for your Mustang please refer to
the chart below. If you still have questions, give
us a call.
Note : : 69-70 Mustangs with factory
shock tower reinforcment plates may require clearancing.
Will not fit GT 390 (14 bolt) |
*actual product may differ from product shown |
| ::
P/N 6655S Fitment Guide :: |
| Specifications:
Stainless steel 1-3/4" primary, 2-1/4" secondary, 3"
dome collector, 3/8" laser-cut flanges |
| Engine |
Cylinder
Head |
Block |
Trans. |
Trans.
X-member |
Clutch |
390/427
428/428CJ |
Stock
Port
Locations
(8 or 16 bolt) |
Stock
|
4
spd/C6/Auto
(will not work
with T-5) |
Stock |
Factory
Mechanical
or
Hydraulic
|
| Motor
Mounts |
Bell
Housing |
Starter
|
Suspension |
Steering
|
H-pipe |
| Stock
or Total Control |
Stock
or
Scatter Shield |
Stock
or
mini starter |
Reproduction
upper A-arm
mounting studs may need to be clearanced. |
Rack & Pinion
- OK
Total Control Rack
Manual Rack - OK
Factory P/S use 6654P bracket
|
Use
JBA p/n
6655H |
|
| |
|
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