Page 660 - 2022-23 Auto Performance Drag Racing

DRAG RACING
Small Block Chevy/S-10 Truck Forward Exit Headers
NEW!
Designed for 1982-1993 Chevy/GMC S-10 pickups that utilize a transplant- ed small block
Chevy engine,
headers feature
a front lower
fender exit design. Headers have 5/16" flanges and 16-gauge primary tubing, and offer exceptional spark plug clearance and added steering shaft clearance.
Slip-On 4-Tube Merge Collector SCHSOM82530 NEW!
Four-into-one merge
collectors offer increased
exhaust velocity and
bottom end torque. Col-
lectors slip-on to 1-7/8"
primary tubes, include a 2-1/2" merge diameter and a 3" outlet. Sold each.
Slip-On 4-Tube Collectors
Part No.
Turn-Outs
SCHS063041
Part No.
Description
Primary Tube Dia.
Collector Dia. x Length
SCHSO03541
Fits 2" Primaries, 3-1/2" Collector
SCHSO63041
Fits 1-5/8" Primaries, 3" Collector
SCHSO73041
Fits 1-3/4" Primaries, 3" Collector
SCHSO73541
Fits 1-3/4" Primaries, 3-1/2" Collector
SCHSO83541
Fits 1-7/8" Primaries, 3-1/2" Collector
SCHSOM72530
Fits 1-3/4” Primaries, 3” Merge Collector
SCH1398A SB Chevy Exhaust Headers 1-3/4" Small Block Chevy Drag Racing Headers
3-1/2" x 8"
Description
Schoenfeld exhaust head-
ers are custom fabricated
from mild steel and include rigid
flanges, precision-formed primary tubes
and four-into-one collectors. Applications
listed fit small block Chevy with stan-
dard 23° cylinder heads. Headers with
a “V” suffix in the part number feature
“stepped” primary tubes for increased exhaust velocity. All headers fit straight or angle-plug cylinder heads and require short-style oil filter. Sold per pair, complete with fasteners, gaskets, and instructions.
Angle the exit of exhaust in any direction.
Part No. Size
* Aluminized
Collector Extensions
Extensions are typically used to in- crease bottom end torque.
Header Tab Kit
Typically used to secure slip-
on collectors to headers, or
to secure collector extensions
to collectors. Two tab sets per col- lector are recommended.
SCH185V
Length
SCH2525
2-1/2"
10"
SCH3023
3”
4-1/4”
SCH3025
3"
10"
SCH3026
3"
15-1/2"
SCH3525
3-1/2"
10"
SCH4025*
4"
10-1/2"
SCH5025
5"
12"
SCH2525-3
2-1/2" Inlet Swedged to Fit Over 3" Pipe
10"
SCH3524
3-1/2"
8"
Part No.
Description
Primary Tube Dia.
Collector Dia. x Length
1973-88 GM “G” Body; 1970-81 GM “F” Body
SCH185*
SB Chevy Exhaust Headers
1-5/8"
3" x 8"
SCH185V*
SB Chevy Exhaust Headers
1-5/8"-1-3/4"
3" x 8"
SCH186-3*
SB Chevy Exhaust Headers
1-3/4"
3" x 8"
SCH186*
SB Chevy Exhaust Headers
1-3/4"
3-1/2" x 8"
SCH186V*
SB Chevy Exhaust Headers
1-3/4"-1-7/8"
3-1/2" x 9"
SCH187*
SB Chevy Exhaust Headers
1-7/8"
3-1/2" x 9"
SCH187SP
SB Chevy Exhaust Headers, Spread Port
1-7/8"
3-1/2" x 9"
1970-81 GM “F” Body; 1975-79 GM “X” Body; 1970-72 Monte Carlo Only
SCH165A†
SB Chevy Exhaust Headers
1-5/8"
3" x 8"
SCH165VA†
SB Chevy Exhaust Headers
1-5/8"-1-3/4"
3" x 8"
SCH166A†
SB Chevy Exhaust Headers
1-3/4"
3-1/2" x 8"
SCH166VA†
SB Chevy Exhaust Headers
1-3/4"-1-7/8"
3-1/2" x 9"
Description
12" Length
24" Length
30" Length
36" Length
48" Length
3" Dia.
SCH120030
SCH240030
—
SCH360030
SCH480030
3-1/2" Dia.
SCH120035
SCH240035
SCH300035
SCH360035
SCH480035
* Will not fit OEM manual clutch linkage ball or A/C equipped applications. † For cars with engine in stock location or engine set back. Clears side and rear engine mounts. Will not fit Chevelle.
SCH3025
SCH120035
SCH4003-4
Header Gaskets
The same gaskets that are packed with Schoenfeld headers. Sold individually.
Part No.
Description
SCH4003-4
Kit Includes (8) Tabs, (4) Bolts, (4) Lock Nuts, and (8) Washers
SCH4003-6
Kit Includes (12) Tabs, (6) Bolts, (6) Lock Nuts, and (12) Washers
Part No.
Header Bolts Part No.
Description
Description
SCH01501
SCH01501
SB Chevy, 1-5/8" Square
SCH01511
SB Chevy, 1-3/4" “D” Port
SCH01562
SB Chevy, LT1, 602 Crate
SCH3002-16
3/8" x 1"L x 5/16" Hex Head, 16-Pack
SCH3006-12
3/8" x 3/4"L x 5/16" Hex Head, 12-Pack
SCH3006-14
33/8" x 3/4"L x 5/16" Hex Head, 14-Pack
SCH3006-16
33/8" x 3/4"L x 5/16" Hex Head, 16-Pack
658
SCH3006-12
Paul Cayo
2022-23