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Buick
Forged Pistons

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

Buick GN 3.8L Turbo with .940 Pin
Part#
Bore
Stroke
Rod
Comp
Ht
Volume
cc
Cubic In
Compression Ratio
46cc__43cc
Purchase
Online!
PT040H2
PT040H3
PT040H4
$487
3.820
3.830
3.840
_
3.400
5.960
1.825
-25
234
235
236
_
9.0:1
9.0:1
9.1:1

 
9.3:1
9.3:1
9.4:1

 
  • Pressure fed pin oiling
  • Precision finished piston pin hole
  • CNC machined symmetrical domes
  • Oversized, symmetrical, radiused valve pockets
  • Sold complete with Forged Piston, Hastings Hi-Tensile Plasma rings and Chrome Moly Piston Pins & Spirolox.
  • Compression ratios are based on .038 gasket and .010 deck height, unless noted.

 

Buick 455 Flat Top
Part#
Bore
Stroke
Rod
Comp
Ht
Volume
cc
Cubic In
Compression Ratio
68cc__65cc
Purchase
Online!
PT054H4
PT054H5
$642
4.350
4.360
_
3.900
6.600
1.980
-8.34
464
466
_
11.8:1
11.8:1

 
12.2:1
12.2:1

 
  • Pressure fed pin oiling
  • Precision finished piston pin hole
  • CNC machined symmetrical domes
  • Oversized, symmetrical, radiused valve pockets
  • Sold complete with Forged Piston, Hastings Hi-Tensile Plasma rings and Chrome Moly Piston Pins & Spirolox.
  • Compression ratios are based on .038 gasket and .010 deck height, unless noted.

 

Buick 455 Reverse Dome
Part#
Bore
Stroke
Rod
Comp
Ht
Volume
cc
Cubic In
Compression Ratio
68cc__65cc
Purchase
Online!
PT055H4
PT055H5
$680
4.350
4.360
_
3.900
6.600
1.980
-22
464
466
_
10.3:1
10.4:1

 
10.6:1
10.7:1

 
  • Pressure fed pin oiling
  • Precision finished piston pin hole
  • CNC machined symmetrical domes
  • Oversized, symmetrical, radiused valve pockets
  • Sold complete with Forged Piston, Hastings Hi-Tensile Plasma rings and Chrome Moly Piston Pins & Spirolox.
  • Compression ratios are based on .038 gasket and .010 deck height, unless noted.

 

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

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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

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