434 Small Block Chevy Pump Gas Short Block
Pump Gas Short Blocks

434 Small Block Chevy Pump Gas Short Block $6,995

434 Small Block Chevy Pump Gas Short Block Basic Short w/Deluxe Package Shown
434SBC $6,995

These Are The Same Exact Pieces That We Use In Our Highly Successful UltraStreet Engine Lineup. No Shortcuts. No Substitutions. Just The Highest Quality Parts With The Finest Precision Machine Work And Meticulous Assembly That We're Famous For!!

  • Bore & Stroke
  • Compression Ratio
  • 4.155 x 4.000
  • See Chart Below

Chamber Volume66cc72cc76cc
Flat Top Piston (-6cc)11.610.910.5
Dished Piston (-20cc)10.19.69.3
Ratio Computed With .040" Gasket

  • Dart Little "M" Block w/Splayed 4 Bolt Main Caps
  • SSRE/Scat 4340 4.000" Stroke Steel Crank (1)
  • Scat 4340 6.000" H-Beam Steel Rods
  • Clevite 77 "H" Series Main & Rod Bearings
  • Custom 10.5-1 Forged Aluminum Pistons
  • Plasma Moly File Fit 1/16 1/16 3/16 Ring Set
  • Internally Balanced
  • Professionally Blueprinted and Assembled
  • Footnotes:
  • (1) Precision machined in USA to our custom specifications.
Shafiroff Racing Engine Upgrade Packages
Camshaft Installation Package$895
Includes: UltraStreet Steel Billet Solid Roller Cam, Cloyes Billet True Roller Timing Set w/Torrington Bearing, GM Performance Chrome Timing Cover, Cam Button And ARP Cam Bolts. Camshaft Installed and Degreed, Cam Button Shimmed To Installed Front Cover.
Camshafts
EC or HHR Hydraulic Roller Cam $N/C
Lifters
Hi-Performance Solid or Hydraulic Roller Lifters. Call For Details. From$575
Timing
Cloyes 2 Piece Aluminum Timing CoverImageShafiroff Racing Available Options Close$175
Jesel "Original 2 pc" Belt Drive $1145
Deluxe Short Block Version
Includes Camshaft Package
$1595
Includes: UltraStreet Steel Billet Solid Roller Cam, Cloyes Billet True Roller Timing Set w/Torrington Bearing, Cam Button & ARP Cam Bolts, GM Performance Chrome Timing Cover and Tavia Pointer, Hi-Performance Harmonic Balancer, SSRE/Moroso Custom Gold Irridited Street & Strip Oil Pan w/Windage Tray, Hi-Performance Oil Pump w/Tig-Welded Pick-Up. All Gaskets, Seals And Hardware. Completely Assembled With Camshaft Installed and Degreed.
Camshafts
EC or HHR Hydraulic Roller Cam $N/C
Harmonic Balancer
SFI Approved Harmonic Balancer (Required At All Race Tracks) $150
Lifters
Hi-Performance Solid or Hydraulic Roller Lifters. Call For Details. From$575
Timing
Cloyes 2 Piece Aluminum Timing CoverImageShafiroff Racing Available Options Close$175
Jesel "Original 2 pc" Belt Drive $1145
Shafiroff Racing Engine Options
Blocks
Brodix Aluminum Block w/Steel Billet Caps, Special Head Stud Kit & Additional Machining (Slightly Less Peak HP) $4500
HIP® Process (Hot Isostatic Pressing) For Increased Durability With Aluminum Blocks $675
Crankshafts
Manley 4340 Non-Twist Forged & Nitrided Crank $125
Connecting Rods
ARP 2000 Rod Bolts $125
Manley H-Beam 4340 Steel Rods w/ARP 2000 Bolts $300
Molnar Severe Duty 4340 H-Beam Rods w/ARP 2000 Asymmetrical Bolts $400
Pistons - Pins - Rings - Bearings
Total Seal TNT "Hellfire" Rings $175
Calico Coated Bearing Package $175
Additional Parts - Labor - Accessories
Cometic MLS (Multi Layered Steel) Head Gaskets (.040/.045/.051 Thickness) Each$125
Cometic MLS (Multi Layered Steel) Head Gaskets (.060/.066 Thickness) Each$145
Heavy Metal Installed If Required. (Large Diameter Over 1" Slightly Higher) Per slug$95
Weld Caps (if required) Per cap$35
Cam Cut Counterweights (if required) $Call
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
Lucas Break In Oil. Call For Viscosity Recommendation. Priced Per Quart. Quart$8