434 Small Block Chevy Power Adder Long Block
Power Adder Long Blocks

434 Small Block Chevy Power Adder Long Block
Stage I Priced From $13,850

434 Small Block Chevy Power Adder Long Block Shown With Optional Equipment
434 SBC

Dyno Tested
Long Blocks

Our New Small 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!!

434 Small Block Chevy Power Adder Long Block

Supercharged / Turbo

Stage I

  • 434 Cubic Inches
  • 4.155 Bore x 4.000 Stroke
  • 8.5-1 CR
  • Dart Little "M" Block w/Splayed Nodular Caps
  • Molnar 4340 Non-Twist Forged Crank
  • Standard Crank Snout
  • Molnar Power Adder 4340 H-Beam Steel Rods
  • ARP 2000 Rod Bolts
  • JE/Wiseco Pro Series Blower Style Pistons
  • Chrome Alloy Steel Heavy Wall Wrist Pins
  • Total Seal Hellfire Ring Set
  • Clevite 77 "H" Series Main & Rod Bearings
  • Internally Balanced (1)
  • SSRE/Comp Custom Grind Solid Roller Cam
  • Comp Cams Solid Roller Lifters
  • Cloyes Billet Timing Set
  • GM Performance Chrome Front Cover
  • SFI 6.250" Hi-Performance Balancer
  • AFR Eliminator 210 Heads
  • CNC Ported Chambers, Bowls & Turns
  • 2.080" 8MM Severe Duty Stainless Intake
  • 1.600" 8MM Severe Duty Stainless Exhaust
  • 1.550" Enduro Roller Springs
  • 10° Steel Retainers
  • Comp Cams Ultra Pro 1.6 Roller Rockers
  • Comp Cams/Manley Chromemoly Pushrods
  • Cometic MLS Head Gaskets
  • ARP Head Studs
  • Moroso HV Oil Pump w/Welded Pickup
  • Moroso 6 Quart Street/Strip Stroker Pan
  • Indivually Dyno Tested With Carb & Intake
$ 13,850

Stage II

  • 434 Cubic Inches
  • 4.155 Bore x 4.000 Stroke
  • 8.5-1 CR
  • Dart Little "M" Block w/Splayed Nodular Caps
  • Molnar 4340 Non-Twist Forged Steel Crank
  • Double Keyed Crank Snout
  • Callies/Compstar Xtreme H-Beam Rods
  • Callies Ultra Rod Bolts
  • JE/Wiseco Pro Series Blower Style Pistons
  • Taperwall Tool Steel Wrist Pins
  • Total Seal .043" Stainless Ring Set
  • Clevite 77 "H" Series Main & Rod Bearing
  • Internally Balanced (1)
  • SSRE/Comp Custom Grind Solid Roller Cam
  • Comp Cams Solid Roller Lifters
  • Cloyes Billet Timing Set
  • GM Performance Chrome Front Cover
  • ATI Double Keyed Super Damper
  • AFR Eliminator 210 Heads
  • Fully CNC Ported
  • 2.080" 8MM Severe Duty Stainless Intake
  • 1.600" 8MM Severe Duty Stainless Exhaust
  • 1.550" Enduro Roller Springs
  • 10° Steel Retainers
  • Scorpion Race Series 1.6 Roller Rockers
  • Comp Cams/Manley Chromemoly Pushrods
  • Cometic MLS Head Gaskets
  • ARP Head Studs
  • Moroso HV Oil Pump w/Welded Pickup
  • Moroso 6 Quart Street/Strip Stroker Pan
  • Indivually Dyno Tested With Carb & Intake
$ 14,550

Stage III

  • 434 Cubic Inches
  • 4.155 Bore x 4.000 Stroke
  • 8.5-1 CR
  • Dart Little "M" Block w/Splayed Billet Caps
  • Callies Magnum Plus Crank
  • Double Keyed Crank Snout
  • Oliver Steel Billet Rods
  • Oliver Specific ARP 2000 Rod Bolts
  • JE/Wiseco Pro Series Blower Style Pistons
  • H13 Tool Steel Pins
  • Total Seal .043" Stainless Ring Set
  • Clevite 77 "H" Series Main & Rod Bearings
  • Internally Balanced (1)
  • SSRE/Comp Custom Grind Solid Roller Cam
  • HIPPO (High Pressure Pin Oiling) Roller Lifters
  • Cloyes Billet Timing Set
  • GM Performance Chrome Front Cover
  • ATI Double Keyed Super Damper
  • AFR Eliminator 227 Heads
  • Fully CNC Ported
  • 2.100" 8MM Severe Duty Stainless Intake
  • 1.600" 8MM Severe Duty Stainless Exhaust
  • 1.550" Enduro Roller Springs
  • 10° Steel Retainers
  • Scorpion Race Series 1.6 Roller Rockers
  • Comp Cams/Manley Chromemoly Pushrods
  • Cometic MLS Head Gaskets
  • ARP Head Studs
  • Moroso HV Oil Pump w/Welded Pickup
  • Moroso 6 Quart Street/Strip Stroker Pan
  • Indivually Dyno Tested With Carb & Intake
$ 18,150
  • Footnotes:
  • (1) Mallory if required additional.
Shafiroff Racing Engine Upgrade Packages
Severe Duty Boost Package $2190

Planning On Using High Boost?


●  Dart Iron Eagle Race Block w/Raised BBC Cam Core, .904" Lifter Bores & Custom 9.065" Deck Height $995
●  Jesel .391" Raised Cam Belt Drive (Includes Mandatory Block Machining) $1495
●  .904" Isky Red Zone Solid Roller Lifters w/EZX "Needle Free" Bearing Option $595
●  Custom Diamond 8.5-1 CR Forced Induction Pistons (Custom Compression Ratios Available) $595
●  BBC Crank Snout $295
●  Remote Oil Filter Mounting Kit includes: Filter Mount, AN Fittings and -12 Braided Line. $250

Total Package Value = $2340 - Save $150!

Shafiroff Racing Engine Options
Blocks
Calico Coated Bearing Package $175
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
Timing
Cloyes 2 Piece Aluminum Timing CoverImageShafiroff Racing Available Options Close$175
Jesel "Original 2 pc" Belt Drive $1145
Valvetrain
T&D Shaft Rocker System $1695
Oil Pumps - Oil Pans - Vacuum Pump
Lokar Custom Locking & Calibrated Dipstick (Upgrade)ImageShafiroff Racing Available Options Close$95
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
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