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SCAT Rotating Assembly Kits 
Small Block Chevy SUPERLIGHT - 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)
Rod Upgrades Available: to 7/16" H-Beam (add $130) w/ARP Cap Screw Bolts
Crank Upgrade Available: to -2 Series Lightweight (add $359) or -3 Series Superlight (add $535)
 
Chevy SB 350/400 Main
4340 Forged Superlight (2 piece rear seal)
Competition
 
4340 Forged Superlight Crank
Q-Lite H-Beam Rods with 3/8" Cap Screws
SRP Professional Pistons
Internal Balance, External Flexplate (includes flexplate)
Rings: 1.5 x 1.5 x 3
Crank # Rod # Piston #
(Type)
Piston Bore Comp. Ratio Column A
Kit #
Price Column B
Kit #
Price Column C
Kit #
Price
58cc 64cc 70cc
355 cu. in. (350 Main)
Crank
: 3.500" Stroke Rod: 6.000" Rod Length
4-350-3500-6000-3 2-350-6000-2100QL SRP PRO.
(FLAT)
4.030 - 10.6 - N/A - 1-40570 $2179 1-40570BI $2322
4-350-3500-6000-3 2-350-6000-2100QL SRP PRO.
(DISH)
4.030 - 9.0 - N/A - 1-40571 $2209 1-40571BI $2352
4-350-3500-6000-3 2-350-6000-2100QL SRP PRO.
(DOME)
4.030 - 13.0 - N/A - 1-40572 $2209 1-40572BI $2352
383 cu. in. (350 Main)
Crank
: 3.750" Stroke Rod: 6.000" Rod Length
4-350-3750-6000-3 2-350-6000-2100QL SRP PRO.
(FLAT)
4.030 - 11.3 - N/A - 1-40573 $2149 1-40573BI $2322
4-350-3750-6000-3 2-350-6000-2100QL SRP PRO.
(DISH)
4.030 - 9.0 - N/A - 1-40574 $2209 1-40574BI $2352
4-350-3750-6000-3 2-350-6000-2100QL SRP PRO.
(DOME)
4.030 - 14.0 - N/A - 1-40575 $2209 1-40575BI $2352
377 cu. in. (400 Main)
Crank
: 3.500" Stroke Rod: 6.000" Rod Length
4-400-3500-6000-3 2-350-6000-2100QL SRP PRO.
(FLAT)
4.155 - 11.0 - N/A - 1-40578 $2149 1-40578BI $2292
4-400-3500-6000-3 2-350-6000-2100QL SRP PRO.
(DOME)
4.155 - 13.7 - N/A - 1-40579 $2209 1-40579BI $2352
407 cu. in. (400 Main)
Crank
: 3.750" Stroke Rod: 6.000" Rod Length
4-400-3750-6000-3 2-350-6000-2100QL SRP PRO.
(FLAT)
4.155 - 11.8 - N/A - 1-40580 $2149 1-40580BI $2292
4-400-3750-6000-3 2-350-6000-2100QL SRP PRO.
(DISH)
4.155 - 9.4 - N/A - 1-40581 $2209 1-40581BI $2352
4-400-3750-6000-3 2-350-6000-2100QL SRP PRO.
(DOME)
4.155 - 13.2/14.7 - N/A - 1-40582 $2209 1-40582BI $2352
4340 Forged Superlight Crank
NEW STROKER Ultra-Lite H-Beam Rods with 7/16" Cap Screws
SRP Professional Pistons
Internal Balance
Rings: 1.5 x 1.5 x 3
Crank # Rod # Piston #
(Type)
Piston Bore Comp. Ratio Column A
Kit #
Price Column B
Kit #
Price Column C
Kit #
Price
58cc 64cc 70cc
383 cu. in. (350 Main)
Crank
: 4.000" Stroke Rod: 6.000" Rod Length
4-350-4000-6000-3 2-350-6000-2100QL SRP PRO.
(FLAT)
4.030 - 11.8 - N/A - 1-40576 $2239 1-40576BI $2385
4-350-4000-6000-3 2-350-6000-2100QL SRP PRO.
(DOME)
4.030 - 14.6 - N/A - 1-40577 $2299 1-40577BI $2445
434 cu. in. (400 Main)
Crank
: 3.750" Stroke Rod: 6.000" Rod Length
4-400-4000-6000-3 2-350-6000-2100QL SRP PRO.
(FLAT)
4.155 - 12.3 - N/A - 1-40583 CALL 1-40583BI CALL
4-400-4000-6000-3 2-350-6000-2100QL SRP PRO.
(DISH)
4.155 - 13.7 - N/A - 1-40584 CALL 1-40584BI CALL
 
 
 
 
 
 
 
 
 
 

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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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