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

Chevrolet Forged
454 - 540 Stroker
Big Block Dome Pistons

Save us money by ordering online and we will pass the savings on to you!!

454/502 Max Dome ~Close~ Open
Edelbrock/GM Semi Open Dart Pro 1
Part#
Bore
Comp
Height
Stroke
Rod
Weight
Volume
Compression Ratio
107cc 114cc 119cc 123cc
Purchase
Online!
K117A3
K117A6
K117A100
$681
4.280
4.310
4.350
_
1.645
4.000
4.000
6.135
6.535
749
36.0
Hollow
12.6
11.6
11.0
10.6
K226A3
$681
4.500
_
1.645
4.000
4.000
6.135
6.535
715
3.8
Hollow
10.0
9.5
9.2
9.0
  • Radius valve pockets
  • Anti detonation grooves with the added benefit of keeping the top ring groove free of carbon.
  • Pressure groove for enhance ring seal
  • Features chrome moly pins and sprilox
  • These pistons are designed for Closed Chamber and Semi Open chamber usage. 2618 alloy is used in both series of parts.
  • The K226 series is designed with a special skirt shape to be the ultimate 502 marine replacement.

 

454/496 Dome - Light weight Drag - Open Chamber(will not fit Dart Pro 1) - Full Round Skirt Design - 1/16 Rings
Part#
Bore
Comp
Height
Stroke
Rod
Weight
Volume
Compression Ratio
110cc 114cc 119cc 123cc
Purchase
Online!
K323A3
K323A6
K323A100
K323A125
$681
4.280
4.310
4.350
4.375
_
1.395
4.000
4.500
4.500
6.385
6.135
6.535
591
48.4
Hollow
14.6
15.6
15.6
13.3
14.9
14.9
12.6
14.0
14.0
12.0
13.4
13.4
K238A3
K238A6
K238A125
$714
4.280
4.310
4.375
_
1.270
4.250
4.250
6.385
6.800
550
48.4
Hollow
14.8
14.1
13.3
12.7
K241A6
K241A100
K241A125
$714
4.310
4.350
4.375
_
1.120
4.250
4.500
4.750
6.535
6.800
6.700
525
48.4
Hollow
14.8
15.8
16.7
14.1
15.0
15.8
13.3
14.2
15.0
12.7
13.6
14.3

Discounted Prices Online
  • Radius valve pockets
  • Anti detonation grooves with the added benefit of keeping the top ring groove free of carbon.
  • Pressure groove for enhance ring seal
  • Features chrome moly pins and sprilox
  • Designed to be the lightest on the market, the generous Valve Pockets are compatible with all but the most milled cylinder heads. Full round 2618 forgings and a newly designed skirt shape keep piston rock to a minimum and ring seal at a maximum. Precision tolerances make these pistons unbeatable.
502 & Stroker - Dome - light weight drag- open chamber - 1/16 rings Full Round Skirt Design
Part#
Bore
Comp
Height
Stroke
Rod
Weight
Volume
Compression Ratio
110cc 114cc 119cc 123cc
Purchase
Online!
K314AS
K314A3
$682

4.500
4.530
1.645
4.000
4.000
6.135
6.135
698
45.8
Hollow
14.7
14.0
13.2
12.7
K315AS
K315A3
$682
4.500
4.530

1.520
3.760
4.250
4.250
6.383
6.135
6.535
671
45.8
Hollow
13.9
15.5
15.5
13.2
14.8
14.8
12.5
14.0
14.0
12.0
13.4
13.4
K316AS
K316A3
K316A6
K316A100
$682
4.500
4.530
4.560
4.600
_
1.395
4.000
4.500
4.500
6.385
6.135
6.535
668
45.8
Hollow
14.7
16.4
16.4
14.0
15.6
15.6
13.2
14.8
14.8
12.7
14.8
14.1

Discounted Prices Online
K240AS
K240A3
K240A6
K240A100
K240A125
$714
4.500
4.530
4.560
4.600
4.625
_
1.270
4.250
4.250
6.385
6.800
618
42.4
Hollow
15.0
14.2
13.5
13.0
K425AS
K425A3
K425A6
K425A100
K425A125
$714
4.500
4.530
4.560
4.600
4.625
_
1.245
4.000
4.500
4.750
6.535
6.800
6.700
599
42.4
Hollow
15.0
15.7
16.6
14.2
15.0
15.8
13.5
14.2
15.0
13.0
13.7
14.4
K243AS
K243A3
K243A6
K243A100
K243A125
$714
4.500
4.530
4.560
4.600
4.625
_
1.120
4.250
4.500
4.750
6.535
6.800
6.700
595
42.4
Hollow
15.0
15.7
16.6
14.2
15.0
15.8
13.5
14.2
15.0
13.0
13.7
14.4
  • Radius valve pockets
  • Anti detonation grooves with the added benefit of keeping the top ring groove free of carbon.
  • Pressure groove for enhance ring seal
  • Features chrome moly pins and sprilox
  • Designed to be the lightest on the market, the generous Valve Pockets are compatible with all but the most milled cylinder heads. Full round 2618 forgings and a newly designed skirt shape keep piston rock to a minimum and ring seal at a maximum. Precision tolerances make these pistons unbeatable.
540 & Stroker - Dome- Nitrous- Open Chamber
Pro series .043 Top - 1/16,3/16 Rings- Full Round Skirt
Part#
Bore
Comp.
Height
Stroke
Rod
  
Weight
Volume
Compression Ratio
110cc 114cc 119cc 123cc
Purchase
Online!
K426BS
K426B3
K426B6
K426B100
K426B110
K426B125
$714
4.500
4.530
4.560
4.600
4.610
4.625

1.270

 4.250
4.250
6.385
6.800
 
612
38
Hollow
14.5
13.9
13.2
12.7
K427BS
K427B3
K427B6
K427B100
K427B110
K427B125
$714
4.500
4.530
4.560
4.600
4.610
4.625
1.120
 4.250
4.500
4.750
6.535
6.800
6.700
 
568
38
Hollow
14.5
15.3
16.0
13.9
14.6
15.4
13.2
14.0
14.6
12.7
13.4
14.1
  • Radius valve pockets
  • Anti detonation grooves with the added benefit of keeping the top ring groove free of carbon.
  • Pressure groove for enhance ring seal
  • Features chrome moly pins and sprilox
  • A .043" Pro top ring adds top land strength. Generous Valve Pockets are compatible with all but the most milled cylinder heads. Full round 2618 forgings and a newly designed skirt shape keep piston rock to a minimum and ring seal at a maximum.
540 & Stroker - Dome - Nitrous Big Chief 14°-18° Combo Dome - Gas Ported - Full Round Skirt Design
Part#
Bore
Comp.
Height
Stroke
Rod
Deck
Height
Weight
Volume
Compression Ratio
74cc 85cc 89cc 91cc
Purchase
Online!
K422B6
K422B8
K422B100
K422B110
K422B125
$734
4.560
4.580
4.600
4.610
4.625

_

1.270

 4.250
4.250
6.385
6.800
9.800
10.200
631
15.6
Solid
17.0
15.0
14.3
14.0
K421B6
K421B8
K421B100
K421B110
K421B125
$734
4.560
4.580
4.600
4.610
4.625
1.145
 4.500
6.800
10.200
596
15.6
Solid
18.0
15.8
15.1
14.8
K420B6
K420B8
K420B100
K420B110
K420B125
$734
4.560
4.580
4.600
4.610
4.625
1.120
 4.250
4.500
4.750
6.535
6.800
6.700
9.800
10.200
10.200
583
15.6
Solid
17.0
18.0
19.0
15.0
15.8
16.6
14.3
15.1
15.9
14.0
14.8
15.5
  • Radius valve pockets
  • Skirt design allows for as little as .004" clearance
  • Anti detonation grooves with the added benefit of keeping the top ring groove free of carbon.
  • Pressure groove for enhance ring seal
  • Features chrome moly pins and sprilox
  • The Big Chief Piston Series is the most advanced available. All use design features learned from dominating Pro Stock.
Call 1-877-354-3812
to order your Parts Today!
Contact us Via Email

About RPM Machine | Specials | Newsletter
RPM Machine-Performance Auto Parts
146 Ea 13065 So Suite F
Draper Utah 84020
We carry parts from scat, je, wiseco, ross, crower, callies, eagle, cat, eagle
Most of our rotating assemblies include forged pistons
and 4340 steelcranks


Big game hunters!
Need Redbone Hounds?
Copyright © 2007 RPM Machine | Designed by Utah Web Services, a division of Wiworks, Inc.