SB DRAG RACE KITS
Model #128 SB Chevy
Model #328 BB Mopar
For Strut Front Suspension
Kit Form Only
1 3/4"
1 7/8"
2"
2 1/8"
$620.00 With Adpt. Flngs, Weld-On collectors
Slip-On Collectors $720.00
#128 Specs
Prototyped on a Don Ness tube chassis car with strut suspension.
Dimensions....
Width:
- RS = Outermost pipe in #8 which extends 13-1/2”
Innermost pipe is #2 which extends 3-15/16”
- LS = Outermost pipe is #7 which extends 13-1/2”
Innermost pipe is #1 which extends 3-7/8”
Drop: Port center to top of grouping: 6-7/8”
Model #129 SB Pro Gas 1.1
For A-Arm Front Suspension
Kit Form Only
1 3/4"
1 7/8"
2"
2 1/8"
$620.00 With Adpt. Flngs, Weld-On Collectors
Slip-on Collectors $720.00
#129 Specs
- Prototyped on an Alston tube chassis with a-arm suspension.
- Sold in kits only.
- Collector end has 11 degree downward angle.
- Drop: 12-1/2” from port center line to top of grouping.
- Width: Outermost pipe is 10-1/4”
Innermost pipe is 4-1/2”
Model #135
SB Chevy/BB Mopar Downswept Dragster

Kit Form Only
1 7/8"
2"
2 1/8"
2 1/4"
$620.00 With Adpt. Flngs, Weld-On Collectors
Slip-On Collectors $720.00
#135 Specs
- Port centerline to bottom of grouping = 14”
- Offset from head to inside of grouping can be 2” to 7”
- #5 and #7 tubes must be cut, rotated and re-welded
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