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331 347 408 Stroker Rotating Kits

HMS
has a complete line of 331 347 and 408 Rotating Assemblies that can suit
every need.
We offer a variety of crankshaft and rod designs for the small block Ford
– just tell us what you
need and we will put a package together for you.
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331 Econo Demon

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Our 331 Econo Demon rotating assembly is one of our most popular 302 based
stroker
for the budget minded. This is perfectly suited for uses from street to
week end track
days. If you are building a mild horsepower small block Ford (up 425 HP),
this 331
rotating kit is perfect for you!
Assembly Includes-
New RPM Series Cast Steel Crank 3.25" stroke
New RPM 5.4" 5140 forged I-Beam rods w/ ARP bolts
Probe 2816 Forged Pistons with fitted Pins
Clevite or FM Rod and Main Bearings
Performance Moly Rings
Options-
.030
or .040 bore size
Flat top, Dish or Dome piston configuration - Compression
ratios from 8.0 to 12.25
Balanced before shipment 28 or 50 oz . Add $155.00
retail price $1149.90
Our Price:
$1075.95
Order Toll Free at 866-997-3991
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347 Econo Demon

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Our 347
Econo Demon rotating assembly is great for those looking to get the most
cubic inches out of a 302! Designed for the budget minded, this is
perfectly suited
for uses from street to week end track days. If you are building a mild
horsepower
small block Ford (up 425 HP), this 347 rotating kit is perfect for you!
Assembly Includes-
New RPM Series Cast Steel Crank 3.40" stroke
New RPM 5.315" 5140 forged I-Beam rods w/ ARP bolts
Probe 2816 Forged Pistons with fitted Pins
Clevite or FM Rod and Main Bearings
Performance Moly Rings
Options-
.030
or .040 bore size
Flat top, Dish or Dome piston configuration - Compression
ratios from 8.0 to 12.25
Balanced before shipment 28 or 50 oz . Add $155.00
retail price $1149.90
Our Price:
$1075.95
Order Toll Free at 866-997-3991
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408 Econo Demon

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Our 408
Econo Demon rotating assembly is one of our most popular 351 based stroker
for the budget minded. This is perfectly suited for uses from street to
week end track
days. If you are building a mild horsepower small block Ford (up 475 HP),
this 408
rotating kit is perfect for you!
Assembly Includes-
New RPM Series Cast Steel Crank 4.00" stroke
New RPM 6.200" 5140 forged I-Beam rods w/ ARP bolts
Probe 2816 Forged Pistons with fitted Pins
Clevite or FM Rod and Main Bearings
Performance Moly Rings
Options-
.030
or .040 bore size
Flat top, Dish or Dome piston configuration - Compression
ratios from 8.0 to 12.25
Balanced before shipment 28 oz. Add $155.00
retail price $1245.80
Our Price:
$1150.95
Order Toll Free at 866-997-3991
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331 Street Demon

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Our 331 Street Demon rotating assembly is one of our most popular 302 based
stroker for the mild Nos / force induction crowd! This is perfectly suited
for uses
from street to week end track days. If you are building a mild horsepower
small
block Ford (up 485* HP), this 331 rotating kit is perfect for you!
Assembly Includes-
New SCAT 9000 Series Cast Steel Crank 3.25"
stroke
New SCAT 5.4" 4340 forged I-Beam rods w/ ARP Cap Screw bolts
Probe 2816 Forged Pistons with fitted Pins
Clevite or FM Rod and Main Bearings
Performance Moly Rings
Options-
.030
or .040 bore size
Flat top, Dish or Dome piston configuration - Compression
ratios from 8.0 to 12.25
Balanced before shipment 28 or 50 oz . Add $155.00
Upgrade to forged H-Beam rods Add $195.00
retail price $1296.50
Our Price:
$1195.95
Order Toll Free at 866-997-3991
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347 Street Demon

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Our 347 Street Demon rotating assembly is great for those looking to get the
most cubic inches out of a 302 and for the mild Nos / force induction
crowd!
This is perfectly suited for uses from street to week end track days. If
you
are building a mild horsepower small block Ford (up 485* HP), this 347
rotating kit is perfect for you!
Assembly Includes-
New SCAT 9000 Series Cast Steel Crank 3.40"
stroke
New SCAT 5.315" 4340 forged I-Beam rods w/ ARP Cap Screw bolts
Probe 2816 Forged Pistons with fitted Pins
Clevite or FM Rod and Main Bearings
Performance Moly Rings
Options-
.030
or .040 bore size
Flat top, Dish or Dome piston configuration - Compression
ratios from 8.0 to 12.25
Balanced before shipment 28 or 50 oz . Add $155.00
Upgrade to forged H-Beam rods Add $195.00
retail price $1296.50
Our Price:
$1195.95
Order Toll Free at 866-997-3991
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408 Street Demon

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Our 408
Street Demon rotating assembly is one of our most popular 351 based stroker
for the budget minded. This is perfectly suited for uses from street to
week end track
days. If you are building a mild horsepower small block Ford (up 525* HP),
this 408
rotating kit is perfect for you!
Assembly Includes-
New SCAT 9000 Series Cast Steel Crank 4.00"
stroke
New SCAT 6.200" 4340 forged I-Beam rods w/ ARP bolts
Probe Forged Pistons with fitted Pins
Clevite or FM Rod and Main Bearings
Performance Moly Rings
Options-
.030
or .040 bore size
Flat top, Dish or Dome piston configuration - Compression
ratios from 8.5 to 12.25
Balanced before shipment 28 Oz. Add $155.00
Upgrade to forged H-Beam rods Add $195.00
retail price $1356.50
Our Price:
$1205.95
Order Toll Free at 866-997-3991
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331 Race Demon

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Our 331 Race Demon rotating assembly is one of our most popular 302 based
stroker
for the Big Nos / force induction crowd! This is perfectly suited for uses
from street to
all out racing! If you are building a big horsepower small block Ford (up
to 800 HP),
this 331 rotating kit is perfect for you!
Assembly Includes-
New SCAT 4340 Forged Steel Crank 3.25" stroke
New SCAT 5.4" 4340 forged H-Beam rods w/ ARP Cap Screw bolts
Probe 2816 Forged Pistons with fitted Pins
Clevite or FM Rod and Main Bearings
Performance Moly Rings
Options-
.030
.040 or .060 bore size
Flat top, Dish or Dome piston configuration - Compression
ratios from 8.0 to 12.25
Upgrade to Internal balance 4340 forged crank Add $150.00
Balanced before shipment Internal Balance Add $225.00
Balanced before shipment 28 oz. Add $155.00
retail Price $1685.50
Our Price:
$1495.95
Order Toll Free at 866-997-3991
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347 Race Demon

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Our 347 Race Demon rotating assembly is great for those looking to get the
most
cubic inches out of a 302 and for the Big Nos / force induction crowd!
This is perfectly
suited for uses from street to all out racing. If you are building a big
horsepower
small block Ford (up 800 HP), this 347 rotating kit is perfect for you!
Assembly Includes-
New SCAT 4340 Forged Steel Crank 3.40" stroke
New SCAT 5.4" 4340 forged H-Beam rods w/ ARP Cap Screw bolts
Probe 2816 Forged Pistons with fitted Pins
Clevite or FM Rod and Main Bearings
Performance Moly Rings
Options-
.030
.040 or .060 bore size
Flat top, Dish or Dome piston configuration - Compression
ratios from 8.0 to 12.25
Upgrade to Internal balance 4340 forged crank Add
$150.00
Balanced before shipment Internal Balance Add $225.00
Balanced before shipment 28 oz. Add $155.00
retail Price $1685.50
Our Price:
$1495.95
Order Toll Free at 866-997-3991
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408 Race Demon

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Our
408 Race Demon rotating assembly is one of our most popular 351 based
stroker
for the big HP minded. This is perfectly suited for uses from street to
all out racing!
If you are building a mild horsepower small block Ford (up 800 HP), this
408
rotating kit is perfect for you!
Assembly Includes-
New SCAT 4340 Forged Steel Crank 4.00" stroke
New SCAT 6.250" 4340 forged H-Beam rods w/ ARP Cap Screw
bolts
Probe 2816 Forged Pistons with fitted Pins
Clevite or FM Rod and Main Bearings
Performance Moly Rings
Options-
.030
.040 or .060 bore size
Flat top, Dish or Dome piston configuration - Compression
ratios from 8.5 to 13.5
Upgrade Custom Pistons from Ross, JE and CP Add $200.00 and up
Upgrade to Internal balance 4340 forged crank Add $150.00
Balanced before shipment Internal Balance Add $225.00
Balanced before shipment 28 Oz. Add $155.00
retail Price $1985.50
Our Price:
$1695.95
Order Toll Free at 866-997-3991
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All of our rotating kits prices shown are non balanced. We can balance
any kit for your
application..... 28oz, 50oz or internal for an additional charge. External balancing
starts at $155.00.
We do have many choices available for piston design and
compression ratios.
If you have any questions regarding the right kit for you or options,
please contact us toll free
at 866-997-3991. |