CHEVY BIG BLOCK
NITROUS SERIES GP
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These Nitrous Series pistons are similar to the above series, vertical and lateral gas ports have been incorporated to optimize top ring seal and reduce friction. Ring grooves are machined to accept our series J860 "HNS" Hardened Nitrous Series rings with .043 back-cut top ring, 1/16 taper face second ring and 3/16 oil ring. Compression height figured using 9.800" deck height with zero deck clearance. Fits most open chamber cylinder heads. Part Number 258199 is designed for a decked block.
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- Pin #990-2930-18-51S (174g)
- Double spiro locks (#990-042-CS)
- Vertical and Lateral gas ports
- Contact reduction grooves
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Check Out Our Discounted Prices If You Order ONLINE!!
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Part Number |
Bore |
Stroke |
Rod
Length
|
Block Height |
Compression
Distance
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110cc |
118cc |
124cc |
Foot Notes |
Reguired Ring Set |
Purchase Online |
|
4.600 |
4.250 |
6.385 |
9.800 |
1.270 |
16.0 |
14.6 |
13.7 |
B |
J860L8-4600 |
|
|
4.580 |
4.250 |
6.385 |
9.800 |
1.290 |
15.9 |
14.5 |
13.6 |
B |
J860F8-4580 |
|
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4.600 |
4.250 |
6.385 |
9.800 |
1.290 |
16.0 |
14.6 |
13.7 |
B |
J860L8-4600 |
|
|
4.610 |
4.250 |
6.385 |
9.800 |
1.290 |
16.1 |
14.7 |
13.8 |
B |
J86OH8-4610 |
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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.
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Call 1-877-354-3812
to order your Parts Today!
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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