Page 320 - 2019-2020 Racecar Engineering Circle Track Parts and Accessories Catalog

Cast Steel Crankshafts
3-D H-Beam Connecting Rods 5HOLDEOH FDVW VWHHO FUDQNVKDIWV DUH WKH DOWHUQDWLYH WR UHIXU-
Durable and affordable 3-D forged rods are sized ELVKHG IDFWRU\ FUDQNV 3HUIHFW IRU XS WR KRUVHSRZHU DOO
DQG ¿QLVKHG LQ WKH 8 6 $ DQG ¿WWHG ZLWK $53 FUDQNV DUH LQVSHFWHG IRU GLPHQVLRQDO DFFXUDF\ 2IIHUHG LQ VWDQ-
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SUHPLXP $53 / 36, IDVWHQHUV DGG WKH Rear
Part No. Engine Main Bal. Stroke Notes
VXI¿[ ³/ ´ WR WKH SDUW QXPEHU $OO URGV KDYH DOLJQ- SB Chevy
PHQW VOHHYHV WR SRVLWLYHO\ ORFDWH WKH URG FDS DVVXU- IMCA Legal/
LQJ ELJ HQG ERUH VL]H DQG HOLPLQDWLQJ FDS ZDON 5RGV DUH EXVKHG EAG103503480CM 350 2-Pc. Int. 3.480" No Lightening Holes
IRU XVH ZLWK IXOO ÀRDWLQJ SLQV 6ROG LQ ZHLJKW PDWFKHG VHWV EAG103503480* 350 2-Pc. Int. 3.480" 5.700" Min. Rod Length
Center- Crank Big Pin EAG103523480 350 1-Pc. Int./ 3.480" Balance With OEM
to-Center Gram Pin End End Ext. Flexplate/Flywheel
Part No. Description Length Weight Dia. Width Bore EAG103503750* 383 2-Pc. Ext. 3.750" 5.700" Min. Rod Length
SB Chevy EAG10350375057I* 383 2-Pc. Int. 3.750" 5.700" Min. Rod Length
EAGCRS5700B3D* Large Journal, 327, 350 5.700" 630 2.100" .940" .927" EAG103523750 383 1-Pc. Ext. 3.750" Not For Use With LT-1
EAGCRS5700S3D Small Journal, 283, 327 5.700" 670 2.000" .940" .927" EAG104003750 400 2-Pc. Ext. 3.750" 5.565" Min. Rod Length
EAGCRS5850B3D Large Journal, +.150" 5.850" 650 2.100" .940" .927" SB Ford
EAGCRS6000B3D* Large Journal, +.300" 6.000" 640 2.100" .940" .927" Ext./ Requires
Large Journal, +.300" EAG103023000 302 1-Pc. 28 Oz. 3.000" SIR5400CB/SIR5400C3D
EAGCRS6000B3D2000 6.000" 645 2.100" .940" .927"
Extreme Duty Ext./ Requires
Small Journal, EAG103023000-50 302 1-Pc. 3.000"
EAGCRS6000S3D2000 6.000" 660 2.000" .940" .927" 50 Oz. SIR5400CB/SIR5400C3D
+.300", Extreme Duty Requires
Large Journal, EAG103023252 289-302 2-Pc. Ext. 3.250" SIR5400CB/CRS5400C3D
EAGCRS6000BLW † +.300", Lightweight 6.000" 545 2.100" .940" .927" Requires
Large Journal, EAG103023402 289-302 2-Pc. Ext. 3.400" SIR5400CB/CRS5400C3D
EAGCRS6000B3DL19 6.000" 645 2.100" .940" .927"
+.300", L19 Use 351W Rod
Large Journal, EAG103513850 351W 2-Pc. Ext. 3.850" And 302 Piston
EAGCRS6000BST 6.000" 645 2.100" .940" .927"
Max Stroke * Also stocked in ESP armor finish, simply substitute “9” in first digit of part
EAGCRS6100L3D LS Series 6.100" 650 2.100" .940" .927" number. Example: EAG903503480
Large Journal,
EAGCRS6125B3DL19 6.125" 660 2.100" .940" .927"
+.425", L19 Forged 4340 Steel Crankshafts
EAGCRS6125B3D Large Journal, +.425" 6.125" 660 2.100" .940" .927"
EAGCRS6125O3D LS Series 6.125" 620 2.100" .940" .927" Non-twist 4340 forgings are
EAGCRS6200B3D Large Journal, +.500" 6.200" 650 2.100" .940" .927" ground, cross-drilled, stress-
EAGCRS6250B3D Large Journal, +.550" 6.250" 665 2.100" .940" .927" UHOLHYHG VKRW SHHQHG PLFUR
SB Ford 289-302 SROLVKHG DQG QLWULGHG 5RG MRXUQDOV DUH LQGH[HG IRU FRUUHFW
EAGCRS5090F3D Stock 302 5.090" 590 2.123" .831" .912" VWURNH )LQDOO\ WKH FUDQN LV [ UD\HG PDJQDÀX[HG VRQLF WHVWHG
EAGCRS5400S3D Stroker 5.400" 588 2.123" .831" .927" DQG LQVSHFWHG &KRRVH IURP VWDQGDUG DQG OLJKWZHLJKW YHUVLRQV
EAGCRS5400C3D * § Stroker 5.400" 605 2.100" .831" .927" Rod Rod
EAGCRS5400S3D2000 Stroker, Extreme Duty 5.400" 588 2.123" .831" .927" Part No. Description Stroke Length Journal
Ford 351W SB Chevy 350 (Early 2-Pc. Rear Main Seal)
EAGCRS5956F3D Stock 351W 5.956" 675 2.310" .831" .912" EAG435034805700* Internal Balance 3.480" 5.700" 2.100"
* Also stocked in ESP armor finish, simply add “9” prior to rod length. EAG4350348057LA Internal Balance - Ltwt. 3.480" 5.700" 2.100"
Example: EAGCRS95700B3D EAG435035005700 Internal Balance 3.500" 5.700" 2.100"
† Featherweight rods are for applications with UNDER 500 horsepower only. EAG435035625700 Internal Balance 3.562" 5.700" 2.100"
2.100"
5.700"
Internal Balance
EAG435036255700
3.625"
§ SB Ford stroker application has SB Chevy large journal crank and piston EAG435037505700* Internal Balance 3.750" 5.700" 2.100"
pin sizing. EAG4350375057LA Internal Balance - Ltwt. 3.750" 5.700" 2.100"
EAG435040006000 Internal Balance 4.000" 6.000" 2.100"
“SIR” I-Beam SB Chevy 350 (Late 1-Pc. Rear Main Seal)
Connecting Rods EAG435334805700 Internal Balance 3.480" 5.700" 2.100"
EAG435337505700 Internal Balance 3.750" 5.700/6.000" 2.100"
$IIRUGDEOH FRQQHFWLQJ URGV RIIHU PRUH VWUHQJWK SB Chevy 400 (400 Main Sizing, No Spacer Bearings Required)
)RUJHG IURP TXDOLW\ VWHHO 6ROG LQ ZHLJKW PDWFKHG VHWV RI EAG440034805700 Internal Balance 3.480" 5.700" 2.100"
HLJKW EAG434636226100 Internal Balance 3.622" 6.125" 2.100"
Part No. Description Pin Rod Length Gram Wt. EAG440037505700* Internal Balance 3.750" 5.700" 2.100"
SB Chevy EAG440038756000 Internal Balance 3.875" 6.000" 2.100"
EAGSIR5700BPLW Large Journal Press Fit 5.700" 565 EAG440040006000 Internal Balance 4.000" 6.000" 2.100"
EAGSIR5700BBLW Large Journal Bushed 5.700" 560 EAG434640006100 Internal Balance 4.000" 6.125" 2.100"
EAGSIR5700SBLW Small Journal Bushed 5.700" 590 SB Ford 302 (5.0L) (Multi-Fit Slinger)
EAGSIR6000BBLW Large Journal Bushed 6.000" 590 EAG430230015090 Internal Balance 3.000" 5.090" 2.123"
EAGSIR6125BBLW Large Journal Bushed 6.125" 600 EAG430234025400* Internal Balance 3.400" 5.400" 2.100"
EAGSIR6250BBLW Large Journal Bushed 6.250" 615 SB Ford 351W
SB Ford 289-302 EAG435140006200* 3.00" Main Dia./ 4.000" 6.200" 2.311"
EAGSIR5090FB OEM Length Bushed 5.090" 565 Early Multi-Fit Slinger
EAGSIR5090FP OEM Length Press Fit 5.090" 565 EAG435240006200 SVO 2.75" Main Dia. 4.000" 6.200" 2.311"
SB Ford 351W EAG435141706200 3.00" Main Dia./Early 4.170" 6.200" 3.000"
EAGSIR5956FB OEM Length Bushed 5.956" 570 Multi-Fit Slinger
EAGSIR5956FP OEM Length Press Fit 5.956" 570 EAG435241706200 SVO 2.75" Main Dia. 4.170" 6.200" 2.750"
§ SB Ford stroker application has SB Chevy large journal crank and piston * Also stocked in ESP armor finish, simply substitute “9” in first digit of part
pin sizing. number. Example: EAG935034805700
316 2019-20 CIRCLE TRACK PARTS AND ACCESSORIES