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New
Cast Crankshafts
We
sell cast cranks from both Eagle and Ohio Crankshaft.
These crankshafts are new cast pieces made with
modern material and
casting processes to be a great alternative
to 30 year old factory cranks.
Many factory cranks we check have stress cracks,
so even though your
crank has not broken yet, you may have a problem
developing that could
destroy your engine.
*New Low Prices !!*
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Part
#
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Description
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Price
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OCR-4004210
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3"
mains x 4.210 stroke 389-400 blocks
(up to 462 cu in).This
crank has 2.250" rod journal diameter.Must
use rods with Pontiac big end. See
462-468 assemblies.
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$299.00
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OCR-N455400
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428-455
4.00" Stroke, 3.25" Main, 2.250 Rod
Journal- New Cast Crankshaft
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$299.00
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SGI-C1-400P
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4.00"
Stroke, 3.00" Main(350/389/400 blocks),
2.200"(BBC) rod journal- New Cast Crankshaft
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$279.00
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EAG-104004250
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3"
mains x 4.250 stroke 389-400 blocks
(up to 467 cu in). This crank has 2.200"
rod journal diameter. Must use rods
with BBC big end; ie, 6.800" length
Eagle or Oliver rods and appropriate
pistons. See
461-467 assemblies.
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$279.00
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EAG-104554210
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3.25"
mains x 4.210" stroke. For 421-428-455
blocks (up to 468 cu in). This crank
has 2.250" rod journal diameter.Must
use rods with Pontiac big end.
See
462-468 assemblies.
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$279.00
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EAG-104554250
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3.250"
mains x 4.250" stroke. 421-428-455
blocks (up to 474 cu in). This crank
has 2.200" rod journal diameter.
Must use rods with BBC big end; i.e.,
6.800" Eagle or Oliver rods and
appropriate piston.
See 467-474 assemblies.
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$279.00
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EAG-CUSTOM
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BLUEPRINTED
CRANKS FOR YOUR APPLICATION
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$499.00
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4.25
OR 4.500 CRANK CLEARANCE
This
picture shows the only area that normally needs
to be clearanced to put either a 4.25" or 4.500"
stroke crank in a Pontiac 400 block- although
any new part should be installed and all clearances
checked prior to final assembly because of factory
production variances.
Below
is taken from an article from Popular Hot
Rodding Mag. October 07 issue
"It's
been 30 years in the making, but Pontiac enthusiasts
now have both aftermarket cast and forged
cranks at their disposal. In the late '90s,
Butler Performance teamed up with Eagle to
produce the first aftermarket Pontiac crank,
a cast-steel 4.250-inch unit for 3-inch main
326/350/389/400 blocks. Just this year, Butler
Performance released 4340 forged cranks in
4.000-, 4.250-, and 4.500-inch strokes for
3-inch main blocks. The company also offers
4.000- and 4.250-inch 4340 cranks for 421/428/455
blocks with 3.25-inch mains. "Before we released
these cranks, the only option was offset grinding
a stock crank, which netted an extra 4 to
5 ci," David Butler says. "Forged cranks are
so reasonably priced these days, there's no
reason to even bother with a stock piece."
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