RPM Machine Twitter
RPM Machine Facebook
Home
A
Air Filters & Systems
B
Balancers & Dampers
Bearings
Blocks & Accessories
Blowers
Bolt Kits
C
Camshafts
Carburetors & more
Clutch Parts & Bearings
Connecting Rods
Crankshafts
Cylinder Heads
Cylinder Sleeves
D
Distributors, etc.
Dress Up
E
Engine Complete
Engine Rebuild Kits
Exhaust Manifolds
Exhaust Systems
F
Fasteners
Flywheels & Flexplates
Freezeplugs
Fuel System
Accessories
G
Gaskets
Gear Drives
GM Performance Parts
Guide Plates
H
Harmonic Balancer
Head Bolts & Kits
Head Studs
Heat Protection Products
Headers
I
Ignition Systems
Ignition Wires
Imports Section
Intakes
L
Lifters
M
Main Bolts
Main Caps &
Girdles
Machining
Marine-
Perf. Products
N
Nitrous Systems
O
Oil Pans & more
Oil Pumps, etc.
P
Pistons
Piston Pins & Spiro Locks
Pulleys
Pushrods & Accessories
R
Rear End Parts
Rev Kits
Rocker Arms & more
Roller Rockers, etc.
Rotating
Assemblies
S
Services &
Machining
Shifters
Starters &
Accessories
Stud Girdles
Stroker Kits
T
Timing Sets & more
Tools
Transmissions
V
Valves
Valve Covers, etc.
Valve Springs
Valvetrain
Components
W
Water Pumps &
Components
Windage Trays
Wires

SCAT Chevy Forged 4340
Superlight Crankshafts

 

Profiled aero-wing counterweights
Straight shot and chamfered oil holes
Nitride hardened for superior wear resistance
Lightening holes in all rod throws
Large radius on all journals
CNC machined for absolute tolerances and symmetry for ease of balance
Pendulum cut counterweights to reduce rotating mass.

 

Chevy Small Block 350 & 400 Main
4340 Forged Superlight Crankshafts
Part #
Short #
Description
Stroke
Rod
Rod
Pin

Balance
Purchase
online

4-350-3350-5700-3-2"
435007-3

350 2-Pc Rear Seal 44LB
3.350
5.700
2.100
Internal
4-350-3480-5700-3
435010-3
350 2-PC Rear Seal 44LB
3.480
5.700
2.100
Internal
4-350-3480-5700-3-2"
435012-3
350 2-PC Rear Seal 44LB
3.480
5.700
2.100
Internal
4-350-3500-5700-3
435020-3
350 2-PC Rear Seal 44LB
3.500
5.700
2.100
Internal
4-350-3500-5700-3-2"
435022-3
350 2-PC Rear Seal 44LB
3.500
5.700
2.100
Internal
4-350-3562-5700-3-2"
435032-3
350 2-PC Rear Seal 44LB
3.562
5.700
2.100
Internal
4-350-3562-5700-3
435030-3
350 2-PC Rear Seal 44LB
3.562
5.700
2.100
Internal
4-350-3750-5700-3
435040-3
350 2-PC Rear Seal 44LB
3.750
5.700
2.100
Internal
4-350-3750-6000-3
435050-3
350 2-PC Rear Seal 45LB
3.750
6.000
2.100
Internal
4-350-3800-6000-3
435056-3
350 2-PC Rear Seal 45LB
3.800
6.000
2.100
Internal

4-350-3875-6000-3
435076-3

350 2-PC Rear Seal 45LB
3.875
6.000
2.100
Internal
4-350-4000-6000-3
435086-3
350 2-PC Rear Seal 45LB
4.000
6.000
2.100
Internal
4-400-3500-6000-3
440026-3
400 2-PC Rear Seal 46LB
3.500
6.000
2.100
Internal
4-400-3750-5700-3
440050-3
400 2-PC Rear Seal 46LB
3.750
5.700
2.100
Internal
4-400-3750-6000-3
440056-3
400 2-PC Rear Seal 46LB
3.750
6.000
2.100
Internal
4-400-3800-6000-3
440066-3
400 2-PC Rear Seal 46LB
3.800
6.000
2.100
Internal
4-400-3875-6000-3
440076-3
400 2-PC Rear Seal 46LB
3.875
6.000
2.100
Internal
4-400-4000-6000-3
440086-3
400 2-PC Rear Seal 46LB
4.000
6.000
2.100
Internal

 

Chevy Big Block 454 Main - 2.200 Pin Rod
4340 Forged Superlight Crankshafts
Part #
Short #
Description
Stroke
Rod
Wt
Tech
Notes
Purchase
online
4-454-4000-6135-3
445410-3
2-PC Rear Seal
4.000
6.135
59LB
1
4-454-4000-6385-3
445415-3
2-PC Rear Seal
4.000
6.385
59LB
2
4-454-4250-6135-3
445420-3
2-PC Rear Seal
4.250
6.135
59LB
3
4-454-4250-6385-3
445425-3
2-PC Rear Seal
4.250
6.385
59LB
4
4-454-4500-6535-3
445430-3
2-PC Rear Seal
4.500
6.535
64LB
5

Tech Notes:

1. 4 Lightening holes, external balancing, standard rod.
2. Profiled, knife edged, pendulum cut, .250 long rod.
3. 4 lightening holes, standard rod.

4. Profiled, knife edge, pendulum cut, .250 long rod.
5. 4 lightening holes, .400 long rod.

*Weights are approximate, actual weights may vary.

LS-1 4340 Forged Lightweight Pro Comp Crankshafts
Part #
Short #
Stroke
Rod
Rod
Pin
Tech
Notes
Purchase
online
4-LS1-4000-6125-24-3
4LS140062-3
4.000
6.125
2.100
24 Tooth Reluctor Wheel
4-LS1-4000-6125-58-3
4LS140065-3
4.000
6.125
2.100
58 Tooth Reluctor Wheel
4-LS1-4125-6125-24-3
4LS141262-3
4.125
6.125
2.100
24 Tooth Reluctor Wheel
4-LS1-4125-6125-58-3
4LS141265-3
4.125
6.125
2.100
58 Tooth Reluctor Wheel
4-LS1-4250-6125-24-3
4LS142562-3
4.250
6.125
2.100
24 Tooth Reluctor Wheel
4-LS1-4250-6125-58-3
4LS142565-3
4.250
6.125
2.100
58 Tooth Reluctor Wheel

 


Call 1-877-354-3812
to order your Parts Today!

Contact us Via Email

About RPM Machine | Specials | Newsletter
RPM Machine-Performance Auto Parts
PO Box 281
Cedar Valley, Utah 84013
We carry parts from scat, je, wiseco, ross, crower, callies, eagle, cat, eagle
Most of our rotating assemblies include forged pistons
and 4340 steelcranks

Copyright © 2011 RPM Machine | Policies | Contact Us