540 Big Block Chevy Power Adder Long Block
Power Adder Long Blocks

540 Big Block Chevy Power Adder Long Block
Stage I Priced From $14,350

540 Big Block Chevy Power Adder Long Block Shown With Optional Equipment
540BBC
Dyno Tested
Long Blocks

Our New Big Block "Power Adder" Long Blocks Feature The Same 3 Stage Concept And Are Dyno Tested And Ready For You To Bolt On Your Blower Or Turbocharger. You Decide The Boost - You Decide The Power!!

540 Big Block Chevy Power Adder Long Block

Supercharged / Turbo / Nitrous

Stage I

  • 4.500 Bore x 4.250 Stroke
  • 8.5-1 CR
  • Dart Big "M" Block w/Splayed Nodular Caps
  • Manley Fully Counterweighted 4340 Crank
  • Standard Crank Snout
  • Molnar PA 4340 H-Beam Rods w/Assymetrical Bolts
  • JE Pro Series Blower Style Pistons
  • 5115 Low Carbon Case Hardened Steel Pins
  • Plasma Moly 1/16 • 1/16 • 3/16 Rings
  • Clevite 77 "H" Series Main & Rod Bearings
  • Internally Balanced (1)
  • SSRE/Comp Custom Grind Solid Roller Cam
  • Comp Cams Solid Roller Lifters
  • Rollmaster Billet Timing Set
  • GM Performance Chrome Timing Cover
  • SFI 7" Hi-Performance Balancer
  • New Design Dart Pro 1 345cc Heads
  • As Cast
  • 2.300" Severe Duty Stainless Intake Valves
  • 1.880" Severe Duty Stainless Exhaust Valves
  • 1.550" Enduro Roller Springs
  • 10° Steel Retainers
  • Comp Cams Ultra Pro 1.7 Roller Rockers
  • Comp Cams/Manley 3/8" Pushrods
  • Cometic MLS Head Gaskets
  • ARP Head Studs
  • Moroso HV Oil Pump w/Welded Pickup
  • Moroso 7 Quart Street/Strip Stroker Pan
  • Individually Dyno Tested With Carb & Intake
$ 14,350

Stage II

  • 4.500 Bore x 4.250 Stroke
  • 8.5-1 CR
  • Dart Big "M" Block w/Splayed Nodular Caps
  • Callies/Compstar Fully Counterweighted 4340 Crank
  • Double Keyed Crank Snout
  • Callies/Compstar Xtreme 4340 Rods w/Ultra Bolts
  • JE Pro Series Blower Style Pistons
  • H13 Tool Steel Pins
  • Hell Fire® 1/16 • 1/16 • 3/16 Rings
  • Clevite 77 "H" Series Main & Rod Bearings
  • Internally Balanced (1)
  • SSRE/Comp Custom Grind Solid Roller Cam
  • Comp Cams Solid Roller Lifters
  • Rollmaster Billet Timing Set
  • GM Performance Chrome Timing Cover
  • ATI Double Keyed Super Damper
  • Brodix 345cc BB3X Rectangular Port Heads
  • CNC Ported Chambers
  • 2.300" Severe Duty Stainless Intake Valves
  • 1.880" Severe Duty Stainless Exhaust Valves
  • 1.640" Manley Nextek Dual Roller Springs
  • 10° Steel Retainers
  • Scorpion Race Series 1.7 Roller Rockers
  • Comp Cams/Manley 3/8" Pushrods
  • Cometic MLS Head Gaskets
  • ARP Head Studs
  • Moroso HV Oil Pump w/Welded Pickup
  • Moroso 7 Quart Street/Strip Stroker Pan
  • Individually Dyno Tested With Carb & Intake
$ 16,195

Stage III

  • 4.500 Bore x 4.250 Stroke
  • 8.5-1 CR
  • Dart Big "M" Block w/Splayed Steel Billet Caps
  • Callies Magnum Plus Crank
  • Double Keyed Crank Snout
  • Oliver Steel Billet 6.385" Heavy Weight Rods
  • JE Pro Series Blower Style Pistons
  • 200 Straightwall Tool Steel Pins
  • Hell Fire® 1/16 • 1/16 • 3/16 Rings
  • Clevite 77 "H" Series Calico Coated Bearings
  • Internally Balanced (1)
  • SSRE/Comp Custom Grind Solid Roller Cam
  • HIPPO (High Pressure Pin Oiling) Roller Lifters
  • Rollmaster Billet Timing Set
  • GM Performance Chrome Timing Cover
  • ATI Double Keyed Super Damper
  • New Design Dart Pro 1 355cc Heads
  • Fully CNC Ported
  • 2.300" Severe Duty Stainless Intake Valves
  • 1.880" Severe Duty Stainless Exhaust Valves
  • 1.640" Manley NexTek Dual Roller Springs
  • 10° Titanium Retainers
  • Scorpion Race Series 1.7 Roller Rockers
  • Comp Cams/Manley 3/8" Pushrods
  • Cometic MLS Head Gaskets
  • ARP Head Studs and Dart Valley Stud Kit
  • Moroso HV Oil Pump w/Welded Pickup
  • Moroso 7 Quart Street/Strip Stroker Pan
  • Individually Dyno Tested With Carb & Intake
$ 20,195
  • Footnotes:
  • (1) Mallory if required additional.
Shafiroff Racing Engine Options
Blocks
Calico Coated Bearing Package $175
Machine Block for .904 Lifters $350
Dart Steel Billet Main Cap Upgrade $450
Harmonic Balancer
ATI 6 Bolt Hub Upgrade $50
Double Keyed Crank w/ATI Double Keyed Super Damper Balancer $395
Lifters
Hydraulic Roller Cam, Lifter & Spring Package $695
HIPPO Severe Duty Roller Lifters w/Hi-Pressure Pin Oiling (Extended Lifter Life) $295
Morel "Black Mamba" Needleless Roller Lifters $695
Isky Red Zone Solid Roller Lifters w/EZX "Needle Free" Bearing Option $845
.904" Isky Red Zone Solid Roller Lifters w/EZX "Needle Free" Bearing Option (Requires .904" Block Machining) $995
Timing
Cloyes 2 Piece Aluminum Timing CoverImageShafiroff Racing Available Options Close$195
Jesel "Original 2 pc" Belt Drive $1145
Valvetrain
3/8" .135" Wall Exhaust Pushrods $95
Dart Inner Valley Stud Kit (Improved Head Gasket Sealing) $95
Severe Duty Inconel Exhaust Valves $550
CNC Chamber Upgrade $395
Dart Pro 1 355 Fully CNC Ported Heads (Adds 25HP) $795
T&D Shaft Rocker System Available In 1.70, 1.75 or 1.80 Ratio (Split Ratio Sets No Extra Charge) $1795
Crower Stainless Steel Shaft Rocker Arm System. Designed For Severe Duty Street Use.ImageShafiroff Racing Available Options Close$1995
Igniton Components
MSD Electronic Ignition Package Includes: MSD Pro Billet Distributor, Hi Perf Gear, Custom Moroso 8mm Wire Set. Custom Curved and Calibrated To Your Engine. $595
MSD 6AL-2 Digital Electronic Ignition Box w/Launch Control & Hi-Speed Rev Limiter $480
MSD Blaster 3 Hi Performance Ignition Coil w/HEI Style Post $65
Oil Pumps - Oil Pans - Vacuum Pump
Lokar Custom Locking & Calibrated Dipstick (Upgrade)ImageShafiroff Racing Available Options Close$95
Moroso Kickout Style Pro Pan w/Solid Louvered Tray & Main Cap Partitions For Added Power & Oil Control. (Includes New Wing Design Oil Pump) $395
Additional Parts - Labor - Accessories
Master Power Silent Drive Vacuum Pump Kit For Power BrakesImageShafiroff Racing Available Options Close$625
SFI Heavy Duty Flexplate & ARP Bolt Package $150
Boninfante Severe Duty SFI Flexplate & ARP Bolt PackageImageShafiroff Racing Available Options Close$229
Boninfante SFI Billet Flexplate & ARP Bolt PackageImageShafiroff Racing Available Options Close$395
PowerMaster Hi-Torque Mini StarterImageShafiroff Racing Available Options Close$229
Painless Performance Hot Shot Relay Kit (Recommended for above starter) $39
Edelbrock Aluminum "High Volume" Mechanical Water Pump (Short or Long Version)ImageShafiroff Racing Available Options Close$350
Meziere 55GPH Electric Water PumpImageShafiroff Racing Available Options Close$575
Custom Powder Coating Packages Available $Call
SSRE Engraved Sheet Metal Valve Covers w/BreathersImageShafiroff Racing Available Options Close$375