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SCAT Rotating Assembly Kits
SCAT Rotating Assembly Kits 
Small Block Chevy - FORGED 4340
  • FEATURES
  • Cast and forged cranks in all styles, weights and rod combinations
  • 6 different styles of I-Beam and H-Beam rods in various lengths, weights and journal combinations
  • Infinite number of piston combinations and are selected by SCAT based upon specific application
  • Pistons supplied by SRP/JE, Mahle, Ross, KB, Diamond, Probe & Race Tec
    (all data for pistons is furnished by piston manufacturer and is provided for reference only, each engine builder should verify data prior to installation)
  • Total Seal or Mahle rings with plasma ductile iron top rings and standard tension
    oil rings. For KB pistons, premium rings are furnished.
  • Clevite77, King or Federal Mogul rod & main bearings depending on availability & application
KIT Types & Info
BASIC Kit Includes Crank, Rods & Pistons.
BASIC PLUS Kit Includes Crank, Rods, Pistons, Rings & Bearings
PREMIUM Kit
ending in BI
= Includes Crank, Rods, Pistons, Rings & Bearings - Balanced Internally
ending in BE = Includes Crank, Rods, Pistons, Rings & Bearings, Damper, Flexplate - Balanced External
ending in BIE = Includes Crank, Rods, Pistons, Rings & Bearings, Flexplate - Balanced EXT Rear, INT Front
RING INFO:
Plasma ductile iron top ring, reverse twist 2nd ring, std. tension oil rings.
Depending on the piston, we use Total Seal Plasma Moly Classic Race Rings and with KB "FHR" Pistons with a 5/64 Ring we use a Hasting Plasma Moly Ring Set.
 
BEARING INFO:
Forged Kits Include CLEVITE “H” BEARINGS.
Cast Kits come with KING Bearings.
UPGRADES
Rod Upgrades
: 7/16" I-Beam (add $79), or 7/16" H-Beam (add $129) w/ARP Cap Screw Bolts
Crank Upgrade: to -2 Series Lightweight (add $359) or -3 Series Superlight (add $535)
Pistons Sizes: available in additional sizes (not just what's listed below), contact
us
 
CHEVY SMALL BLOCK 350/400 - 4340 STREET & STRIP ROTATING ASSEMBLIES
Note: Only the Kits listed with I-BEAM 2-ICR6000-7/16 or
H-BEAM # 2-350-6000-2100S are cleared for the 3.750 stroke 383
4340 Forged Standard Weight Cranks, Pro Comp I-Beam Connecting Rods with 7/16” Cap Screws, Forged Pistons
Internally Balanced
Cu.
In.
Crank # Rod # Crank
Stroke
Rod
Length
Piston #
(Type)
Piston
Bore
Comp. Ratio BASIC
Kit #
Price BASIC
PLUS
Kit #
Price PREMIUM
Kit #
Price
58cc 64cc 76cc
305 MAIN, 2-pc Rear Seal (Super light pistons & pins use 1.5, 1.5, 3mm rings)
310 4-350-3480-5700 2-ICR5700-7/16 3.480 5.700 FORGED
(FLAT)
4.030 10.2 9.5 8.3 1-40015-1 $1185 1-40015 $1295 1-40015BI $1425
310 4-350-3480-5700 2-ICR6000-7/16 3.480 6.000 FORGED
(FLAT)
4.030 10.2 9.5 8.3 1-40016-1 $1185 1-40016 $1295 1-40015BI $1425
350 MAIN, 2-pc Rear Seal
355 4-350-3480-5700 2-ICR5700-7/16 3.480 5.700 FORGED
(FLAT)
4.030 11.1 10.3 9.6 1-40005-1 $1185 1-40005 $1295 1-40005BI $1425
355 4-350-3480-5700 2-ICR5700-7/16 3.480 5.700 FORGED
(DISH)
4.030 9.8 8.5 8.0 1-40055-1 $1219 1-40055 $1325 1-40055BI $1455
383 4-350-3750-5700 2-ICR5700-7/16 3.750 5.700 FORGED
(FLAT)
4.030 11.8 11.0 10.3 1-40605-1 $1449 1-40605 $1585 1-40605BI $1715
383 4-350-3750-5700 2-ICR5700-7/16 3.750 5.700 FORGED
(DISH)
4.030 10.4 9.8 9.2 1-40655-1 $1249 1-40655 $1399 1-40655BI $1545
355 4-350-3480-5700 2-ICR6000-7/16 3.480 6.000 FORGED
(FLAT)
4.030 11.1 10.3 9.6 1-40205-1 $1185 1-40205 $1299 1-40205BI $1425
355 4-350-3480-5700 2-ICR6000-7/16 3.480 6.000 FORGED
(DOME)
4.030 14.2 12.9 11.9 1-40305-1 $1219 1-40305 $1325 1-40305BI $1455
383 4-350-3750-6000 2-ICR6000-7/16 3.750 6.000 FORGED
(FLAT)
4.030 11.8 11.0 10.3 1-40755-1 $1185 1-40755 $1295 1-40755BI $1425
383 4-350-3750-6000 2-ICR6000-7/16 3.750 6.000 FORGED
(DISH)
4.030 10.4 9.8 9.2 1-40805-1 $1219 1-40805 $1325 1-40805BI $1455
383 4-350-3750-6000 2-ICR6000-7/16 3.750 6.000 FORGED
(DOME)
4.030 14.1 12.9 12.0 1-40855-1 $1219 1-40855 $1325 1-40855BI $1455
400 MAIN, 2-pc Rear Seal
407 4-400-3750-5700 2-ICR5700-7/16 3.750 5.700 FORGED
(FLAT)
4.155 12.5 11.6 10.8 1-41255-1 $1235 1-41255 $1395 1-41255BI $1535
407 4-400-3750-5700 2-ICR5700-7/16 3.750 5.700 FORGED
(DISH)
4.155 10.4 9.8 9.2 1-41305-1 $1265 1-41305 $1425 1-41305BI $1565
407 4-400-3750-6000 2-ICR6000-7/16 3.750 6.000 FORGED
(FLAT)
4.155 12.4 11.6 10.8 1-41405-1 $1195 1-41405 $1329 1-41405BI $1455
407 4-400-3750-6000 2-ICR6000-7/16 3.750 6.000 FORGED
(DISH)
4.155 11.1 10.3 9.7 1-41455-1 $1285 1-41455 $1419 1-41455BI $1549
407 4-400-3750-6000 2-ICR6000-7/16 3.750 6.000 FORGED
(DOME)
4.155 14.2 13.0 12.0 1-41505-1 $1285 1-41505 $1419 1-41505BI $1549
CHEVY SMALL BLOCK 350/400 - 4340 COMPETITION ROTATING ASSEMBLIES
Note: Only the Kits listed with I-BEAM 2-ICR6000-7/16 or
H-BEAM # 2-350-6000-2100S are cleared for the 3.750 stroke 383
4340 Forged Standard Weight Cranks, H-Beam Connecting Rods with 7/16” Cap Screw, Premium Forged Pistons
Internally Balanced
Cu.
In.
Crank # Rod # Crank
Stroke
Rod
Length
Piston #
(Type)
Piston
Bore
Comp. Ratio BASIC
Kit #
Price BASIC
PLUS
Kit #
Price PREMIUM
Kit #
Price
58cc 64cc 76cc
350 MAIN, 2-pc Rear Seal
355 4-350-3480-5700 2-350-5700-2100 3.480 5.700 PREM.
FORGED
(FLAT)
4.030 11.1 10.3 9.6 1-40010-1 $1425 1-40010 $1560 1-40010BI $1688
355 4-350-3480-5700 2-350-6000-2100 3.480 6.000 PREM.
FORGED
(FLAT)
4.030 11.1 10.3 9.6 1-40210-1 $1425 1-40210 $1586 1-40210BI $1714
355 4-350-3480-5700 2-350-6000-2100 3.480 6.000 PREM.
FORGED
(DOME)
4.030 14.2 12.9 11.9 1-40310-1 $1471 1-40310 $1605 1-40310BI $1733
364 4-350-3562-5700 2-350-5700-2100 3.562 5.700 PREM.
FORGED
(FLAT)
4.030 11.3 10.5 9.9 1-40410-1 $1425 1-40410 $1560 1-40410BI $1688
364 4-350-3562-5700 2-350-6000-2100 3.562 6.000 PREM.
FORGED
(DOME)
4.030 14.3 13.0 11.1 1-40510-1 $1658 1-40510 $1613 1-40510BI $1741
383 4-350-3750-5700 2-350-5700-2100 3.750 5.700 PREM.
FORGED
(FLAT)
4.030 11.8 11.0 10.3 1-40610-1 $1425 1-40610 $1560 1-40610BI $1688
383 4-350-3750-6000 2-ICR6000-7/16 3.750 5.700 PREM.
FORGED
(FLAT)
4.030 11.8 11.0 10.3 1-40660-1 $1159 1-40660 $1273 1-40660BI $1400
383 4-350-3750-6000 2-350-6000-2100 3.750 6.000 PREM.
FORGED
(FLAT)
4.030 11.8 11.0 10.3 1-40760-1 $1455 1-40760 $1560 1-40760BI $1688
383 4-350-3750-6000 2-350-6000-2100 3.750 6.000 PREM.
FORGED
(DISH)
4.030 10.4 9.8 9.2 1-40810-1 $1500 1-40810 $1613 1-40810BI $1741
383 4-350-3750-6000 2-350-6000-2100 3.750 6.000 PREM.
FORGED
(DOME)
4.030 14.1 12.9 12.0 1-40860-1 $1500 1-40860 $1613 1-40860BI $1741
400 MAIN, 2-pc Rear Seal
377 4-400-3500-6000 2-350-6000-2100 3.500 6.000 PREM.
FORGED
(FLAT)
4.155 11.6 10.8 10.1 1-41010-1 $1425 1-41010 $1560 1-41010BI $1687
377 4-400-3500-6000 2-350-6000-2100 3.500 6.000 PREM.
FORGED
(DOME)
4.155 14.2 13.0 12.0 1-41210-1 $1471 1-41210 $1613 1-41210BI $1740
407 4-400-3750-5700 2-350-5700-2100 3.750 5.700 PREM.
FORGED
(FLAT)
4.155 12.5 11.6 10.8 1-41260-1 $1425 1-41260 $1560 1-41260BI $1687
407 4-400-3750-5700 2-350-5700-2100 3.750 5.700 PREM.
FORGED
(DISH)
4.155 10.4 9.8 9.2 1-41310-1 $1471 1-41310 $1613 1-41310BI $1740
407 4-400-3750-6000 2-350-6000-2100 3.750 6.000 PREM.
FORGED
(FLAT)
4.155 12.4 11.6 10.8 1-41410-1 $1455 1-41410 $1560 1-41410BI $1687
407 4-400-3750-6000 2-350-6000-2100 3.750 6.000 PREM.
FORGED
(DISH)
4.155 11.1 10.3 9.7 1-41460-1 $1500 1-41460 $1613 1-41460BI $1740
407 4-400-3750-6000 2-350-6000-2100 3.750 6.000 PREM.
FORGED
(DOME)
4.155 14.2 13.0 12.0 1-41560-1 $1500 1-41560 $1631 1-41560BI $1740
CHEVY SMALL BLOCK 350/400 - 4340 COMPETITION ROTATING ASSEMBLIES
4340 Forged Standard Weight Cranks, NEW Stroker H-Beam Rods with 7/16” Cap Screws, Premium Forged Pistons
Internally Balanced
Cu.
In.
Crank # Rod # Crank
Stroke
Rod
Length
Piston #
(Type)
Piston
Bore
Comp. Ratio BASIC
Kit #
Price BASIC
PLUS
Kit #
Price PREMIUM
Kit #
Price
58cc 64cc 76cc
350 MAIN, 2-pc Rear Seal
395 4-350-3875-6000 2-350-6000-2100S 3.875 6.000 PREM. FORGED
(FLAT)
4.030 12.2 11.4 10.6 1-40900-1 $1479 1-40900 $1615 1-40900BI $1739
421 4-350-3875-6000 2-350-6000-2100S 3.875 6.000 PREM. FORGED
(FLAT)
4.030 12.2 11.4 10.6 1-40901-1 $1479 1-40901 $1615 1-40901BI $1739
427 4-350-4000-6000 2-350-6000-2100S 4.000 6.000 PREM. FORGED
(FLAT)
4.030 12.2 11.4 10.6 1-40902-1 $1479 1-40902 $1615 1-40902BI $1739
400 MAIN, 2-pc Rear Seal
421 4-400-3875-6000 2-350-6000-2100S 3.875 6.000 PREM. FORGED
(FLAT)
4.155 12.2 12.2 12.2 1-41564-1 $1515 1-41564 $1649 1-41564BI $1779
434 4-400-4000-6000 2-350-6000-2100S 4.000 6.000 PREM. FORGED
(FLAT)
4.155 13.1 12.2 12.2 1-41565-1 $1515 1-41565 $1649 1-41565BI $1779
434 4-400-4000-6000 2-350-6000-2100S 4.000 6.000 PREM. FORGED
(DOME)
4.155 14.6 13.5 11.6 1-41566-1 $1589 1-41566 $1725 1-41566BI $1855
 
CHEVY SMALL BLOCK 350/400 - 4340 COMPETITION ROTATING ASSEMBLIES
Note: Only the Kits listed with I-BEAM 2-ICR6000-7/16 or
H-BEAM # 2-350-6000-2100S are cleared for the 3.750 stroke 383
4340 Forged Standard Weight Cranks, Pro Comp I-Beam Connecting Rods with 7/16” Cap Screws,
Forged Pistons, Rod Bearings, Main Bearings & Rings
Balanced Internal, External Flexplate (included)
Cu.
In.
Crank # Rod # Crank
Stroke
Rod
Length
Piston #
(Type)
Piston
Bore
Comp. Ratio BASIC
Kit #
Price BASIC
PLUS
Kit #
Price PREMIUM
Kit #
Price
58cc 64cc 76cc
350 MAIN, 1-pc Rear Seal
355 4-350-3480-5700L 2-ICR5700-7/16 3.480 5.700 FORGED
(FLAT)
4.030 11.1 10.0 9.6 N/A - 1-41605 $1299 1-41605BIE $1455
355 4-350-3480-5700L 2-ICR5700-7/16 3.480 5.700 FORGED
(DISH)
4.030 9.8 8.5 8.0 N/A - 1-41630 $1409 1-41630BIE $1565
383 4-350-3750-5700L 2-ICR5700-7/16 3.750 5.700 FORGED
(FLAT)
4.030 11.8 11.0 10.3 N/A - 1-41705 $1299 1-41705BIE $1455
383 4-350-3750-5700L 2-ICR5700-7/16 3.750 5.700 FORGED
(DISH)
4.030 10.4 9.8 9.2 N/A - 1-41755 $1355 1-41755BIE $1515
383 4-350-3750-5700L 2-ICR5700-7/16 3.750 5.700 FORGED
(DOME)
4.030 14.0 12.4 11.9 N/A - 1-41805 $1325 1-41805BIE $1479
383 4-350-3750-5700L 2-ICR6000-7/16 3.750 6.000 FORGED
(FLAT)
4.030 11.8 11.0 10.3 N/A - 1-41823 $1299 1-41823BIE $1555
383 4-350-3750-5700L 2-ICR6000-7/16 3.750 6.000 FORGED
(DISH)
4.030 10.4 9.8 9.2 N/A - 1-41829 $1325 1-41829BIE $1515
383 4-350-3750-5700L 2-ICR6000-7/16 3.750 6.000 FORGED
(DOME)
4.030 14.0 12.9 12.0 N/A - 1-41835 $1325 1-41835BIE $1479
 
CHEVY SMALL BLOCK 350/400 - 4340 COMPETITION ROTATING ASSEMBLIES
Note: Only the Kits listed with I-BEAM 2-ICR6000-7/16 or
H-BEAM # 2-350-6000-2100S are cleared for the 3.750 stroke 383
4340 Forged Standard Weight Cranks, H-Beam Connecting Rods with 7/16” Cap Screws, Premium
Forged Pistons, Rod Bearings, Main Bearings & Rings
Balanced Internal, External Flexplate Rotating Assemblies include Flexplate
Cu.
In.
Crank # Rod # Crank
Stroke
Rod
Length
Piston #
(Type)
Piston
Bore
Comp. Ratio BASIC
Kit #
Price BASIC
PLUS
Kit #
Price PREMIUM
Kit #
Price
58cc 64cc 76cc
350 MAIN, 1-pc Rear Seal
355 4-350-3480-5700L 2-350-5700-2100 3.480 5.700 PREM. FORGED
(FLAT)
4.030 11.1 10.0 9.6 N/A - 1-41610 $1585 1-41610BIE $1745
355 4-350-3480-5700L 2-350-6000-2100 3.480 6.000 PREM. FORGED
(FLAT)
4.030 11.1 10.3 9.6 N/A - 1-41641 $1609 1-41641BIE $1765
355 4-350-3480-5700L 2-350-5700-2100 3.480 5.700 PREM. FORGED
(DISH)
4.030 9.8 8.5 8.0 N/A - 1-41643 $1635 1-41643BIE $1795
383 4-350-3750-5700L 2-350-5700-2100 3.750 5.700 PREM. FORGED
(FLAT)
4.030 11.8 11.0 10.3 N/A - 1-41710 $1585 1-41710BIE $1745
383 4-350-3750-5700L 2-350-5700-2100 3.750 5.700 PREM. FORGED
(DISH)
4.030 10.4 9.8 9.2 N/A - 1-41760 $1635 1-41760BIE $1795
383 4-350-3750-5700L 2-350-5700-2100 3.750 5.700 PREM. FORGED
(DOME)
4.030 14.0 12.4 11.9 N/A - 1-41810 $1635 1-41810BIE $1795
383 4-350-3750-5700L 2-350-6000-2100 3.750 6.000 PREM. FORGED
(FLAT)
4.030 11.8 11.0 10.3 N/A - 1-41825 $1585 1-41825BIE $1745
383 4-350-3750-5700L 2-350-6000-2100 3.750 6.000 PREM. FORGED
(DISH)
4.030 10.4 9.8 9.2 N/A - 1-41831 $1635 1-41831BIE $1795
383 4-350-3750-5700L 2-350-6000-2100 3.750 6.000 PREM. FORGED
(DOME)
4.030 14.0 12.9 12.0 N/A - 1-41837 $1635 1-41837BIE $1795
386 4-350-3800-6000L 2-350-6000-2100 3.800 6.000 PREM. FORGED
(FLAT)
4.030 11.6 10.8 10.2 N/A - 1-41838 $1585 1-41838BIE $1745
394 4-350-3875-6000L 2-350-6000-2100 3.875 6.000 PREM. FORGED
(FLAT)
4.030 11.2 10.5 9.9 N/A - 1-41839 $1585 1-41839BIE $1745
 
CHEVY SMALL BLOCK 4340 FORGED SUPERLIGHT COMPETITION ROTATING ASSEMBLIES
Note: Only the Kits listed with I-BEAM 2-ICR6000-7/16 or
H-BEAM # 2-350-6000-2100S are cleared for the 3.750 stroke 383
4340 Forged Superlight Cranks, Q-Lite H-Beam Connecting Rods with 3/8” Cap Screws,
SRP Professional,, Rod Bearings, Main Bearings & Rings
Balanced Internal, External Flexplate Balanced Rotating Assemblies include Flexplate
Cu.
In.
Crank # Rod # Crank
Stroke
Rod
Length
Piston #
(Type)
Piston
Bore
Comp. Ratio BASIC
Kit #
Price BASIC
PLUS
Kit #
Price PREMIUM
Kit #
Price
64cc
350 MAIN, 2-pc Rear Seal
355 4-350-3500-5700-3 2-350-6000-2100QL 3.500 6.000 SRP
Professional
(FLAT)
4.030 10.6 N/A - 1-40570 $2129 40570BI $2255
355 4-350-3500-5700-3 2-350-6000-2100QL 3.500 6.000 SRP
Professional
(DOME)
4.030 13.0 N/A - 1-40572 $2155 40572BI $2255
383 4-350-3750-6000-3 2-350-6000-2100QL 3.750 6.000 SRP
Professional
(FLAT)
4.030 11.3 N/A - 1-40573 $2105 40573BI $2229
383 4-350-3750-6000-3 2-350-6000-2100QL 3.750 6.000 SRP
Professional
(DOME)
4.030 14.0 N/A - 1-40575 $2155 40575BI $2285
400 MAIN, 2-pc Rear Seal
377 4-400-3500-5700-3 2-350-6000-2100QL 3.500 6.000 SRP
Professional
(FLAT)
4.155 11.0 N/A - 1-40578 $2099 40578BI $2229
377 4-400-3500-5700-3 2-350-6000-2100QL 3.500 6.000 SRP
Professional
(DOME)
4.155 13.7 N/A - 1-40579 $2155 40579BI $2285
407 4-400-3750-6000-3 2-350-6000-2100QL 3.750 6.000 SRP
Professional
(FLAT)
4.155 11.8 N/A - 1-40580 $2099 40580BI $2229
407 4-400-3750-6000-3 2-350-6000-2100QL 3.750 6.000 SRP
Professional
(DOME)
4.155 13.2/14.7 N/A - 1-40582 $2155 40582BI $2285
 
CHEVY SMALL BLOCK 4340 FORGED SUPERLIGHT COMPETITION ROTATING ASSEMBLIES
Note: Only the Kits listed with I-BEAM 2-ICR6000-7/16 or
H-BEAM # 2-350-6000-2100S are cleared for the 3.750 stroke 383
4340 Forged Superlight Cranks, NEW Stroker Ultra-Lite H-Beam Connecting Rods with 7/16” Cap
Screw, SRP Professional, Rod Bearings, Main Bearings & Rings
Internal Balanced
Cu.
In.
Crank # Rod # Crank
Stroke
Rod
Length
Piston #
(Type)
Piston
Bore
Comp. Ratio BASIC
Kit #
Price BASIC
PLUS
Kit #
Price PREMIUM
Kit #
Price
64cc
408 4-350-4000-6000-3 2-350-6000-210-QLS 4.000 6.000 SRP
Professional
(FLAT)
4.030 11.8 N/A - 1-40576 $2185 40576BI $2309
408 4-350-4000-6000-3 2-350-6000-210-QLS 4.000 6.000 SRP
Professional
(DOME)
4.030 14.6 N/A - 1-40577 $2235 40577BI $2365
434 4-400-4000-6000-3 2-350-6000-210-QLS 4.000 6.000 SRP
Professional
(FLAT)
4.155 12.3 N/A - 1-40583 $2185 40583BI $2309
434 4-400-4000-6000-3 2-350-6000-210-QLS 4.000 6.000 SRP
Professional
(DOME)
4.155 13.7 N/A - 1-40584 $2235 40584BI $2365
 
 
 
 
 
 
 
 
 
 
 
 
 

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Email:
tech@FlatlanderRacing.com

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


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