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  Home > Stroker Kits by VPE > Chevrolet - 454 Big Block > 496 Cubic Inches - 4.250 Stroke > Dome Top >

B_Vigilante Engine Kit_Chevrolet 496_6.135 Rod_Dome_39.0cc_Internal_2 Piece RMS
VPE Vigilante Engine Kit

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Available Part Numbers/Oversize

9121-56154-000 - 4.250
9121-56154-030 - 4.280
9121-56154-060 - 4.310
9121-56154-070 - 4.320
9121-56154-100 - 4.350
9121-56154-125 - 4.375


Stroker Kits - Done Right

VPE Vigilante Engine Kits are available in various displacements and are suitable for stock or aftermarket blocks, consisting of 4340 Steel H-Beam Connecting Rods, a 4340 Forged Steel Crankshaft and Probe SRS Series 2618-t6 Forged Pistons. Most feature Nitride Steel Top/Napier Second Ring Sets. They are perfectly suited for stock replacement applications, or they can be set up with boost or increased compression for high performance street or street and strip combinations.

The longest rod feasible is utilized in each instance, which gains the maximum piston to counterweight and rod bolt to camshaft clearance possible, as well as decreased piston weight.

Altered stroke and/or compression ratios are not legal for use in emissions controlled vehicles.

Vigilante Engine Kit

  • 4340 Forged Steel Crankshaft
  • I-Beam 4340 Forged Steel Rods
  • Probe SRS Series 2618-t61 Forged Pistons
  • Reduced Tension High-Performance Ring Sets
  • ARP 8740 Cap Screws
  • Balancing is available upon request
  • Components rated at 700+ Horsepower


If you can't find the kit you're looking for please contact us at [email protected] and we'll be happy to assist you in designing a kit that exactly suits your preferences.

Please allow 4 to 6 weeks for piston manufacture

www.P65Warnings.ca.gov

Item# Item Name Price Qty Add
9121-56154-000 482 Vigilante Engine Kit_4.250 (000)
$3,125.00
9121-56154-030 489 Vigilante Engine Kit_4.280 (030)
$3,125.00
9121-56154-060 496 Vigilante Engine Kit_4.310 (060)
$3,125.00
9121-56154-070 498 Vigilante Engine Kit_4.320 (060)
$3,125.00
9121-56154-100 505 Vigilante Engine Kit_4.350 (100)
$3,125.00
9121-56154-125 511 Vigilante Engine Kit_4.375 (125)
$3,125.00
Check the items you wish to purchase, then click


Technical Specs:
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Item Code 9121-56154
Vendor NameVPE
Product TypeEngine Kit
Product SeriesVigilante
Engine Displacement496
Engine FamilyChevrolet - 454 Based V8
BlockFactory or Aftermarket
Block Height9.800
Base Bore4.250
Piston ManufacturerProbe Industries
Valve ReliefsOEM Valve Location
Piston Material2816-t61
Piston StyleClosed Chamber Dome
Piston Net Volume39.0
Compression Height1.520
Pin Diameter.990
Pin Type.150 Wall x 2.930 Long
Pin Material5115 Steel
Ring TypeNodular Moly Top _ Cast Second
Ring Width1.5 - 1.5 - 3.0
Gas PortsNo
Gas Port TypeN/A
Crankshaft VendorScat Enterprises
Crankshaft Material4340 Forged Steel
Crankshaft Stroke4.250
Center CounterweightNo
Reluctor WheelNo
Main Journal2.748
Rod Journal2.200
Rear Main Seal2 Piece
Engine BearingsKing XP Series
BalanceInternal
Rough Bob Weight2,350
BalancedNo
Rod VendorScat Enterprises
Rod TypeH-Beam
Rod Length6.135
Pin EndFloating
Rod Material4340 Forged Steel
Rod BoltARP 8740 Cap Screw
Notes:




Compression Ratio:

 Cylinder Head Volume
Part Number Net cc 109cc 112cc 118cc 123cc
9121-56154-000 39.0 13.02 12.60 11.84 11.27
9121-56154-030 39.0 13.19 12.76 11.99 11.41
9121-56154-060 39.0 13.36 12.92 12.14 11.56
9121-56154-070 39.0 13.41 12.97 12.19 11.61
9121-56154-100 39.0 13.58 13.14 12.34 11.75
9121-56154-125 39.0 13.72 13.27 12.47 11.87
Computed with .010 deck and .040 x 4.375 gasket

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Stroker Kits by VPE > Chevrolet - 454 Big Block > 496 Cubic Inches - 4.250 Stroke > Dome Top