Page 519 - 2019-2020 Racecar Engineering Circle Track Parts and Accessories Catalog

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SB Chevy 4340 Forged Steel SB Chevy Sportmaster
IMCA-Legal Crankshaft MAN190310 Connecting Rods
Premium-quality 4340 forged steel crankshaft is a non-twist 5RGV DUH &1& PDFKLQHG IURP TXDOLW\ IRUJLQJV
IRUJLQJ DFFHSWDEOH IRU XVH LQ SRSXODU ,0&$ +REE\ 6WRFN DQG Held to exacting tolerances for bore size, taper, and
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main seal, this lightweight crankshaft has been heat-treated, SLHFH $IWHU PDFKLQLQJ WKH HQWLUH URG LQFOXGLQJ WKH
VWUHVV UHOLHYHG VKRW SHHQHG QLWULGHG DQG PDJQDÀX[HG &UDQN EROW SDG LV VKRW SHHQHG IRU GXUDELOLW\ $53
DOVR IHDWXUHV PLFUR SROLVKHG ODUJH UDGLXV MRXUQDOV DQG UHTXLUHV GLD FDS VFUHZV 36, DUH XVHG H[FOX-
narrowed rod bearings. VLYHO\ DV DUH SUHPLXP $PSFR EXVKLQJV LQ WKH
pin end. Shipped in weight-matched (±1.5 grams)
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Sportsman racers with engines up to 550 horsepower @ 8,000
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Gram
Part No. Description Center-To-Center Big End Bore Pin Bore Weight
Rod Main Rod Stock Length,
Application Stroke Length Journal Journal Weight MAN14101-8 Large Journal 5.700" 2.225" .9281" 555
SB Chevy, 2-Pc. Rear Main Seal 3.480" 5.700" 2.450" 2.100" 48-50 lbs. .300" Longer,
Notes: Crankshaft is for internally balanced, 2-piece rear main seal applica- MAN14103-8 Large Journal 6.000" 2.225" .9281" 578
tions and requires narrowed, high performance rod bearings. Two center rod
journals are not gun drilled.
SB Chevy Superior Head Bolts
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fasteners are longer than stock
Extreme Pressure Lube #3 and have an underhead radius
MAN40177 to prevent premature stretch
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Primarily used as a fastener lubricant, product is EROWV DUH IRU XVH ZLWK 0$1 KHDG EROW ZDVKHUV 7KH
preferred by many top engine builders. 4-oz. tube. hex head allows greater wrenchability.
Part No. De scrip tion
MAN42171 SB Chevy Superior Head Bolts, 17 (Services 1 Cyl. Head)
SB Chevy Head Bolt Washers,
MAN42102
Set of 34 (Services 2 Cyl. Heads)

Semi-Syn Motor Oils
High-performance oil is a complex blend of highly
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esters that protects critical engine components
beyond conventional oils. Semi-Syn is a fully
RS Series Motor Oils formulated race oil that is compatible with petro-
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Full 100% synthetic triple ester race-grade oil URXV IRUPXOD LV LGHDO IRU XVH LQ ÀDW WDSSHW RU UROOHU
incorporates an industry-leading additive system camshaft engines. Sold in 1-quart bottles or in
that provides both maximum performance and cases.
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1 Qt.
1 Case
1 Case
VSHFLDO DQWL ZHDU H[WUHPH SUHVVXUH DGGLWLYHV WR Description Bottle (12/1 Qt. Bottles 1 Gallon (4/1 Gallon Jugs)
Jug
provide superior engine protection, even under 10W-40 MAX39-34901BS MAX39-34901B MAX39-349128BS MAX39-349128B
extreme loads and peak temperatures. Sold in 20W-50 MAX39-35901BS MAX39-35901B MAX39-359128BS MAX39-359128B
1-quart bottles or in cases. Not recommended
for street use. Performance Motor Oils
1 Qt. 1 Case 1 Gallon 1 Case High-performance petroleum oil is formulated using
Description Bottle (12/1 Qt. Bottles Jug (4/1 Gallon Jugs)
0W-10 MAX39-13901S MAX39-13901 — — a technologically advanced additive package that
0W-20 MAX39-14901S MAX39-14901 — — LV FRPELQHG ZLWK D EOHQG RI KLJKO\ UH¿QHG SHWUR-
5W-20 MAX39-04901S MAX39-04901 — — OHXP EDVH VWRFNV /XEULFDQW UHVLVWV PHFKDQLFDO
5W-30 MAX39-91901S MAX39-91901 MAX39-919128S MAX39-919128 breakdown and viscosity loss, while reducing
10W-30 MAX39-01901S MAX39-01901 MAX39-019128S MAX39-019128 ZHDU RQ OLIWHUV FDPV DQG EHDULQJV +LJK ]LQF
10W-40 MAX39-16901S MAX39-16901 MAX39-169128S MAX39-169128 SKRVSKRURXV IRUPXOD LV LGHDO IRU XVH LQ ÀDW WDS-
15W-50 MAX39-32901S MAX39-32901 MAX39-329128S MAX39-329128 pet or roller camshaft engines. Sold in 1-quart
bottles or in cases.
1 Qt. 1 Case
Description Bottle (12/1 Qt. Bottles)
10W-40 MAX39-34901S MAX39-34901
20W-50 MAX39-35901S MAX39-35901
2019-20 CIRCLE TRACK PARTS AND ACCESSORIES 515