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CHEVY BIG BLOCK

B/B NITROUS SERIES DOME

 

These big block pistons have ring lands designed specifically for nitrous applications. Valve reliefs are designed to accept oversized valves and long duration, wide lobe separation camshafts, they are also compatible with angle milled heads. Precision CNC machined ring grooves accept 1/16, 1/16, 3/16 rings. Fits open chamber cylinder heads.


 

  • Pin #990-2930-18-51S (174g)
  • Double spiro locks (#990-042-CS)
  • Forced pin oiler, with annular oil reservoir
  • Contact reduction grooves

Check Out Our Discounted Prices If You Order ONLINE!!

502 SERIES

Part Number
Bore
Stroke
Rod
Length
Block Height
Compression
Distance
110cc 118cc 124cc
Foot Notes
Reguired Ring Set
Purchase Online
258238
$763.68
4.500
4.250
6.385
9.780
1.270
15.7
14.3
13.4
B
J10008-4500
258239
$763.68
4.530
4.250
6.385
9.780
1.270
15.9
14.5
13.6
B
J10008-4530
258240
$763.38
4.560
4.250
6.385
9.780
1.270
16.0
14.6
13.7
B
J10008-4560
258197
$815.60
4.580
4.250
6.385
9.780
1.270
16.1
14.7
13.8
B
J100F8-4580
258241
$763.68
4.600
4.250
6.385
9.780
1.270
16.3
14.8
13.9
B
J100U8-4600
258198
$815.60
4.610
4.250
6.385
9.780
1.270
16.4
14.9
14.0
B
J100H8-4610
FOOTNOTES: B-Oil rail support is included

 

With almost 60 years experience serving top professionals, JE Pistons is the world's premier manufacturer of high performance forged pistons for the most demanding racing applications. Our winning record speaks for itself, with championships in NASCAR's Nextel Cup, Busch Grand National and Craftsman Truck series', Indy 500, Baja 1000, NHRA (from Stock Eliminator to Top Fuel), Trans-Am, 24 Hours of Daytona and Lemans, World of Outlaws, APBA, Paris to Dakar and many others. In addition to the highest performance custom parts, JE and RPM Machine have the most complete automotive catalog lineup with 1000's of part numbers on the shelf ready to ship.

 

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

Parts-Department@RPM-Machine.Com

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


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