Page 600 - 2017 Racecar Engineering Circle Track Parts and Accessories Catalog

EXHAUST HEADER SUFFIX DESIGNATION GUIDE
Suffix Description Suffix Description
V “Stepped” Primary Tubes N Ford “N” Head Application
CM Crate Motor Application Y Tri-Y Header
SP Spread Port Application 18 18° Chevy
STOCK CAR HEADERS ANTI-REVERSION
Stock car headers route inside the frame RACING MUFFLERS
rails, yet have no clearance issues with oil Innovative mufflers incorporate a special
filter, spark plugs, starter, kick-out oil pan, rear chamber to prevent exhaust reversion.
mounts or valve covers. Designed for small block Chevys, headers clear Part No. Length Inlet Dia. Outlet Dia. Body Dia.
firewall that is minimum 7" from rear of block. Compatible with Harris, SCH112530AR 11" 3" 3-1/2" 4"
Jet and Victory chassis. Sold complete with bolts and gaskets. SCH112735AR 11" 3-1/2" 3-1/2" 4"
Primary Collector
Part No. Description Tube Dia. Dia. x Length
SCH195 Chevy Headers 1-5/8" 3" x 8"
SCH195V-3 Chevy “Step" Headers 1-5/8"-1-3/4" 3" x 8" RACING MUFFLERS
SCH196-3 Chevy Headers 1-3/4" 3" x 8"
Core Inlet Body
Part No. Length Dia. Dia. Dia. Special Notes
2000/2300CC 4 CYL. FORD PINTO SCH63030 6" 3" 3" 3-1/2" –
HEADERS SCH63535 6" 3-1/2" 3-1/2" 4" –
3"
3"
Schoenfeld offers several different headers with stepped primaries which SCH83030 8" 3-1/2" 3-1/2" 3-1/2" – –
4"
SCH83535
8"
increase exhaust velocity for added horsepower and torque with the popular SCH92535 9" 3-1/2" 3-1/2" 4-3/8" –
2000/2300cc Ford engines. SCH103535K 10" 3" 3-1/2" 4" –
SCH112530 11" 2-1/2" 3" 4" 305 Sprint
TRI-Y HEADERS SCH112535 11" 2-1/2" 3-1/2" 4-3/8" Mandatory @ Allstars,
Tri-Y headers include “stepped” primary tubes and a ASCS and WoO Sprints
Tri-Y, four-into-two-into-one configuration for added SCH113035 11" 3" 3-1/2" – –
torque and horsepower. Fits 2300cc engines SCH123535 12" 3-1/2" 3-1/2" 4" –
only. Sold complete with bolts and SCH183535 18" 3-1/2" 3-1/2" 4" –
SCH14272535
gaskets. SCH14272735-78 14" 3-1/2" 3-1/2" 4-1/2" California Approved
95 Db.
3-1/2" 3-1/2" 4-1/2"
14"
Primary Collector
Part No. Description Tube Dia. Dia.
SCHF232VY Tri-Y Header 1-1/2"-1-5/8" 3" HEADER GASKETS
SCHF233VY Tri-Y Header 1-5/8"-1-3/4" 3" The same gaskets that are packed with Schoenfeld headers. Sold individually.
“PRO FOUR” TUBE
CHASSIS HEADERS Part No. Description
Headers are engineered for SCH01501 SB Chevy, 1-5/8" Square
modified, chassis type cars. SCH01511 SB Chevy, 1-3/4" “D” Port
2000cc 2300cc Primary Collector SCH0152 SB Chevy, Stahl Pattern
Part No. Part No. Description Tube Dia. Dia. x Length SCH01530 SB Chevy, Brodix 18° Spread Port, 7 Bolt
– SCHF234V “Step” Header 1-1/2"-1-5/8" 3" x 8" SCH01533 SB Chevy, Brodix Spread Port “D” Shape
SCHF205V SCHF235V “Step” Header 1-5/8"-1-3/4" 3" x 8" SCH01560 SB Chevy, Crate Motor
SCH01590 SB Chevy SB2
SCH01780 SB Chevy Gen. III LS1
SCH03500 SB Ford 289-351W, GT-40
PRODUCTION SCH03520 SB Ford SVO “N”/Dart
CHASSIS HEADERS SCHFG23 Ford 4 Cyl. 2300
Headers are engineered for production chassis HEADER BOLTS
including 2.3-powered Pinto or Mustang.
2300cc Primary Tube Collector
Part No. Description Dia. Dia. x Length
SCHF238V “Step” Header 1-1/2"-1-5/8" 3" x 8"
SCHF239V “Step” Header 1-5/8"-1-3/4" 3" x 8" SCH3006-12 SCH3005-8
Part No. Description
SCH3006-12 3/8" x 3/4" L. x 5/16" Hex Head, 12-Pack
IMCA SPEC MUFFLERS SCH3006-14 3/8" x 3/4" L. x 5/16" Hex Head, 14-Pack
SCH3006-16 3/8" x 3/4" L. x 5/16" Hex Head, 16-Pack
Part No. Description Length Weight
SCHIMCA609 IMCA Spec Muffler 6" 1.28 lbs. SCH3005-8 10mm x 22mm, 2300cc Pinto, 8-Pack
SCHIMCA930 IMCA Spec Muffler 9" 1.95 lbs.
SCHIMCA935 IMCA Spec Muffler 9" 2.30 lbs. HEADER FLANGES
INSERT MUFFLERS
Lightweight 4" long mufflers insert into exhaust
tubing or collector. Perfect quick-fix when car is
too loud! SCH0101
Part No. Description Part No. Description Tube Dia. Port Shape
SCH42530 2.5" Core Fits 3" Collector SCH0101 SB Chevy 23° (Inner Alum. Adapter Plate) 1-1/4" Round
SCH43035 3" Core Fits 3.5" Collector SCH0136 SB Chevy SB2 2" SAP
SCH43540 3.5" Core Fits 4" Collector SCH0144 SB Chevy Stahl, Outer Flange 1-7/8" Round
SCH0145 SB Chevy Stahl, Outer Flange 2" Round

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