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SCAT Rotating Assembly Kits 
Big Block Chevy - FORGED 4340
NOTE on SIZES: pistons are available in other sizes than listed below.
KIT INFORMATION
Column A: Includes Crank, Rods & Pistons.
Column B: Includes Crank, Rods, Pistons, Rings & Bearings
Column C: BI = Includes Crank, Rods, Pistons, Rings & Bearings - Balanced Internally
Column C: BE = Includes Crank, Rods, Pistons, Rings & Bearings, Damper, Flexplate - Balanced External
Column C: BIE = Includes Crank, Rods, Pistons, Rings & Bearings, Flexplate - Balanced EXT Rear, INT Front
(Rings: plasma ductile iron top ring, reverse twist 2nd ring, std. tension oil rings. Bearings: Fed. Mogul or Clevite 77)
Crank Upgrade Available: "-2 Series Lightweight' (add $359) or "-3 Series Superlight" (add $535)
 
Chevy 454 Big Block 2-Pc Rear Seal
454 Main, Forged Cranks, H-Beam Rods with 7/16" Cap Screws
Crank: 454 Main, 4.000" Stroke, 6.135" Rod Length
Rod: 6.135" 4340 Forged H-Beam Rod w/ARP 7/16" Cap Screw Bolts
Rings: 1/16 x 1/16 x 3/16
Crank # Rod # Piston #
(Type)
Piston
Bore
Comp. Ratio Column A
Kit #
Price Column B
Kit #
Price Column C
Kit #
Price
112cc 118cc 124cc
4-454-4000-6135 2-454-6135-2200 FORGED
(FLAT)
4.280 8.9 8.4 8.2 1-42005-1 $1349 1-42005 $1495 1-42005BE $1749
4-454-4000-6135 2-454-6135-2200 PREM. FORGED
(FLAT)
4.280 8.9 8.4 8.2 1-42010-1 $1559 1-42010 $1676 1-42010BE $1929
4-454-4000-6135 2-454-6135-2200 FORGED
(DOME)
4.280 13.7 12.8 11.9 1-42055-1 $1465 1-42055 $1599 1-42055BE $1849
4-454-4000-6135 2-454-6135-2200 PREM. FORGED
(DOME)
4.280 13.7 12.8 11.9 1-42060-1 $1612 1-42060 $1735 1-42060BE $1985
Crank: 454 Main, 4.000" Stroke, 6.385" Rod Length
Rod: 6.385" 4340 Forged H-Beam Rod w/ARP 7/16" Cap Screw Bolts
Rings: 1/16 x 1/16 x 3/16
Crank # Rod # Piston #
(Type)
Piston
Bore
Comp. Ratio Column A
Kit #
Price Column B
Kit #
Price Column C
Kit #
Price
112cc 118cc 124cc
4-454-4000-6385 2-454-6385-2200 FORGED
(FLAT)
4.280 8.9 8.4 8.2 1-42105-1 $1445 1-42105 $1579 1-42105BI $1719
4-454-4000-6385 2-454-6385-2200 PREM. FORGED
(FLAT)
4.280 8.9 8.4 8.2 1-42110-1 $1559 1-42110 $1695 1-42110BI $1839
4-454-4000-6385 2-454-6385-2200 PREM. FORGED
(DOME)
4.280 14.0 12.7 11.7 1-42160-1 $1612 1-42160 $1735 1-42160BI $1875
Crank: 454 Main, 4.250" Stroke, 6.135" Rod Length
Rod: 6.135" 4340 Forged H-Beam Rod w/ARP 7/16" Cap Screw Bolts
Rings: 1/16 x 1/16 x 3/16
Crank # Rod # Piston #
(Type)
Piston
Bore
Comp. Ratio Column A
Kit #
Price Column B
Kit #
Price Column C
Kit #
Price
112cc 118cc 124cc
4-454-4250-6135 2-454-6135-2200 FORGED
(FLAT)
4.280 9.4 9.0 8.6 1-42255-1 $1445 1-42255 $1579 1-42255BE $1829
4-454-4250-6135 2-454-6135-2200 PREM. FORGED
(FLAT)
4.280 9.4 9.0 8.6 1-42257-1 $1559 1-42257 $1679 1-42257BE $1929
4-454-4250-6135 2-454-6135-2200 PREM. FORGED
(DOME)
4.280 10.5 10.0 9.5 1-42260-1 $1612 1-42260 $1735 1-42260BE $1985
Crank: 454 Main, 4.250" Stroke, 6.385" Rod Length
Rod: 6.385" 4340 Forged H-Beam Rod w/ARP 7/16" Cap Screw Bolts
Rings: 1/16 x 1/16 x 3/16
Crank # Rod # Piston #
(Type)
Piston
Bore
Comp. Ratio Column A
Kit #
Price Column B
Kit #
Price Column C
Kit #
Price
112cc 118cc 124cc
4-454-4250-6385 2-454-6385-2200 FORGED
(FLAT)
4.280 8.9 8.5 8.2 1-42305-1 $1445 1-42305 $1579 1-42305BI $1719
4-454-4250-6385 2-454-6385-2200 PREM. FORGED
(FLAT)
4.280 9.4 9.0 8.6 1-42310-1 $1595 1-42310 $1709 1-42310BI $1855
4-454-4250-6385 2-454-6385-2200 FORGED
(DOME)
4.280 10.8 10.2 9.7 1-42355-1 $1465 1-42355 $1599 1-42355BI $1739
4-454-4250-6385 2-454-6385-2200 PREM. FORGED
(DOME)
4.280 10.7 10.2 9.7 1-42360-1 $1645 1-42360 $1765 1-42360BI $1909
 
Chevy 540 Big Block 2-pc Rear Seal with 9.780 Short Deck
454 Main, Forged Cranks, H-Beam Rods with 7/16" Cap Screws
Crank: 454 Main, 4.250" Stroke, 6.385" Rod Length
Rod: 6.385" 4340 Forged H-Beam Rod w/ARP 7/16" Cap Screw Bolts
Rings: 1/16 x 1/16 x 3/16
Crank # Rod # Piston #
(Type)
Piston
Bore
Comp. Ratio Column A
Kit #
Price Column B
Kit #
Price Column C
Kit #
Price
112cc 118cc 124cc
4-454-4250-6385 2-454-6385-2200 PREM. FORGED
(FLAT)
4.500 9.8 9.4 9.0 1-42370-1 $1829 1-42370 $1709 1-42370BI $1855
4-454-4250-6385 2-454-6385-2200 PREM. FORGED
(DISH)
4.500 8.7 8.4 8.2 1-42375-1 $1869 1-42375 $2012 1-42375BI $2159
4-454-4250-6385 2-454-6385-2200 PREM. FORGED
(DOME)
4.500 14.8 13.5 12.27 1-42380-1 $1879 1-42380 $1765 1-42380BI $1909
 
Chevy 454 Big Block 2-pc Rear Seal with 10.200 Tall Deck
454 Main, Forged Cranks, H-Beam Rods with 7/16" Cap Screws
Crank: 454 Main, 4.500" Stroke, 6.535" Rod Length
Rod: 6.535" 4340 Forged H-Beam Rod w/ARP 7/16" Cap Screw Bolts
Rings: 1/16 x 1/16 x 3/16
Pistons: 1.395 Comp Height
Crank # Rod # Piston #
(Type)
Piston
Bore
Comp. Ratio Column A
Kit #
Price Column B
Kit #
Price Column C
Kit #
Price
112cc 118cc 124cc
4-454-4500-6535 2-454-6535-2200 PREM. FORGED
(FLAT)
4.500 10.0 9.7 9.4 1-42385-1 $1899 1-42385 $1795 1-42385BI $1929
4-454-4500-6535 2-454-6535-2200 PREM. FORGED
(DISH)
4.500 8.8 8.5 8.2 1-42390-1 $1995 1-42390 $1849 1-42390BI $1999
4-454-4500-6535 2-454-6535-2200 PREM. FORGED
(DOME)
4.500 15.5 13.1 12.2 1-42392-1 $1955 1-42392 $2099 1-42392BI $2245
Crank: 454 Main, 4.500" Stroke, 6.535" Rod Length
Rod: 6.535" 4340 Forged H-Beam Rod w/ARP 7/16" Cap Screw Bolts
Rings: 1/16 x 1/16 x 3/16
Pistons: 1.245 Comp Height
Crank # Rod # Piston #
(Type)
Piston
Bore
Comp. Ratio Column A
Kit #
Price Column B
Kit #
Price Column C
Kit #
Price
112cc 118cc 124cc
4-454-4500-6700 2-454-6700-2200 PREM. FORGED
(FLAT)
4.600 10.0 9.7 9.4 1-42395-1 $1955 1-42395 $1829 1-42395BI $1975
4-454-4500-6700 2-454-6700-2200 PREM. FORGED
(DOME)
4.600 15.5 13.1 12.3 1-42397-1 $2005 1-42397 $2165 1-42397BI $2309
 
Chevy 454 Big Block Crank Late Model 1-Pc Rear Seal
454 Main, Forged Cranks, H-Beam Rods with 7/16" Cap Screws
Crank: 454 Main, 4.250" Stroke, 6.135" Rod Length
Rod: 6.135" 4340 Forged H-Beam Rod w/ARP 7/16" Cap Screw Bolts
Rings: 1/16 x 1/16 x 3/16
Crank # Rod # Piston #
(Type)
Piston
Bore
Comp. Ratio Column A
Kit #
Price Column B
Kit #
Price Column C
Kit #
Price
112cc 118cc 124cc
4-454-4250-6135-L 2-454-6135-2200 FORGED
(FLAT)
4.280 9.4 9.0 8.6 1-42450-1 $1445 1-42450 $1579 1-42450BE $1829
4-454-4250-6135-L 2-454-6135-2200 PREM. FORGED
(FLAT)
4.280 9.4 9.0 8.6 1-42452-1 $1559 1-42452 $1679 1-42452BE $1929
4-454-4250-6135-L 2-454-6135-2200 PREM. FORGED
(DOME)
4.280 10.5 10.0 9.5 1-42454-1 $1612 1-42454 $1735 1-42454BE $1985
Crank: 454 Main, 4.250" Stroke, 6.385" Rod Length
Rod: 6.385" 4340 Forged H-Beam Rod w/ARP 7/16" Cap Screw Bolts
Rings: 1/16 x 1/16 x 3/16
Crank # Rod # Piston #
(Type)
Piston
Bore
Comp. Ratio Column A
Kit #
Price Column B
Kit #
Price Column C
Kit #
Price
112cc 118cc 124cc
4-454-4250-6385-L 2-454-6385-2200 FORGED
(FLAT)
4.280 8.7 8.4 8.0 1-42405-1 $1445 1-42405 $1579 1-42405BI $1719
4-454-4250-6385-L 2-454-6385-2200 PREM. FORGED
(FLAT)
4.280 9.4 9.0 8.6 1-42410-1 $1595 1-42410 $1709 1-42410BI $1855
4-454-4250-6385-L 2-454-6385-2200 FORGED
(DOME)
4.280 10.5 10.0 9.5 1-42455-1 $1445 1-42455 $1579 1-42455BI $1829
4-454-4250-6385-L 2-454-6385-2200 PREM. FORGED
(DOME)
4.280 10.7 10.2 9.7 1-42460-1 $1559 1-42460 $1679 1-42460BI $1929
4-454-4250-6385-L 2-454-6385-2200 PREM. FORGED
(FLAT)
4.500 10.2 9.8 9.4 1-42500-1 $1612 1-42500 $1735 1-42500BI $1985
4-454-4250-6385-L 2-454-6385-2200 PREM. FORGED
(DISH)
4.500 10.8 10.3 9.9 1-42505-1 $1465 1-42505 $1599 1-42505BI $1742
4-454-4250-6385-L 2-454-6385-2200 PREM. FORGED
(DOME)
4.500 9.8 9.4 9.0 1-42510-1 $1645 1-42510 $1765 1-42510BI $1909
 
 
 
 
 
 
 
 
 
 
 

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Email:
tech@FlatlanderRacing.com

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*All prices on this site are subject to change without notice. Flatlander Racing™ disclaims responsibility for any printing or typographical errors, and does not guarantee that all information is accurate.


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