Shafiroff Racing UltraStreet Chevy Crate Engines

454 Big Dawg Small Block Chevrolet Crate Engine
Shown With Optional Equipment
Less Carb & Ignition

454 - Isn't That A Big Block? We Build Our 454 Small Block The Right Way ... 9.325" Race Block With Only A 4.185" Bore And A 4.125" Stroke Crank For Extra Torque. No Head Gasket Problems And No Cylinder Wall Issues In This Baby!!

  • Horsepower
  • Torque
  • Bore & Stroke
  • Compression Ratio
  • Fuel Requirement
  • 615 @ 6000 RPM
  • 615 @ 4600 RPM
  • 4.185 x 4.125
  • 10.5 to 1
  • 92 Octane

  • Dart Tall Deck Iron Eagle Block w/Splayed 4 Bolt Main Caps(1)
  • Eagle 4340 4.125" Stroke Steel Crank
  • Eagle 4340 6.200" H-Beam Steel Rods
  • Clevite 77 "H" Series Main & Rod Bearings
  • Ross Custom 10.5-1 Forged Aluminum Pistons
  • Total Seal Plasma Moly Ring Set
  • SSRE/Comp Cams Custom "Street Roller" Camshaft
  • Comp Cams Solid Roller Lifters
  • Cloyes Billet True Roller Timing Set w/Torrington Bearing
  • AFR 227 Eliminator Fully CNC Ported Aluminum Heads
  • 1.550" Roller Springs w/Steel Retainers
  • ARP High Performance Head Bolts
  • Harland Sharp 1.6 Aluminum Roller Rockers
  • Chromemoly (1) Piece .080" Wall Pushrods
  • FelPro HP Head Gaskets w/Pre-Flattened Steel Wire
  • Dart "SuperMod" Ported Aluminum Intake
  • Moroso Wide Rail Street/Strip Stroker Oil Pan
  • Moroso Race Prepped Oil Pump w/Tig Welded HD Pickup
  • Polished Aluminum Front Cover w/Billet Timing Pointer
  • Hi-Performance Fully Degreed Harmonic Balancer
  • Complete Assembly Internally Balanced
  • Individually Dyno Tested & Tuned
  • Actual Dyno Sheet Provided

Carburetors & Fuel System:
Ignition System:
Connecting Rods:
Pistons - Pins - Rings - Bearings:
Additional Parts - Labor - Accessories:

If This Fuel Is Readily Available In Your Area, Our E85 Version Offers Much Greater HP And Torque Numbers Over Its' Gasoline Equivalent. E85 Fuel's Ability To Operate Without Detonation Under Much Higher Cylinder Pressure Allows Us To Significantly Raise The Compression Ratio And Slightly Alter Cam Timing To Produce These Dramatic Improvements. You Must Run An E85 Specific Carb Or Program Your Aftermarket Fuel Injection To Work With This Engine.

This "Extended Cruising" Version Is Designed For The Person Who Really Enjoys Driving Their Hot Rod On A "Daily" Basis. Works Well With 2.5" Or Bigger Exhaust, Mild Street Gearing And Stock Converters. This Engine Utilzes A Hydraulic Roller Cam And 9.5 Compression Ratio That Gives You Day To Day "Power Tour" Cruisability, 91 Octane Compatibility, And Blistering Horsepower!!

  • Custom Ross 9.5-1 Forged Aluminum Pistons
  • Comp Cams Custom Hydraulic Roller Cam
  • Comp Cams Hydraulic Roller Lifters
  • Horsepower
  • Torque
  • Compression Ratio
  • Fuel Requirement
  • 580 @ 5500 RPM
  • 590 @ 4300 RPM
  • 9.5 to 1
  • 91 Octane
EC Options: (Specific To This Version - All Other Classic Options Available)

For Those That Want Virually All The Power Of "The Big Dawg Classic" Without The Hassle Of Ever Having To Adjust Valves, The HHR Is For You! We Use Special "Proprietary Grinds" On Our Custom Hot Hydraulic Roller Cam Along With "Ultra Hi-Rev" Hydraulic Roller Lifters And Premium Alloy Valve Springs To Maintain Race Engine Performance With Hydraulic Roller Convenience.

  • Comp Cams Custom "Proprietary Grind" Hydraulic Roller Cam
  • Comp Cams High Rev Hydraulic Roller Lifters
  • Isky "Enduro Design" Premium Valve Spring Package
  • Horsepower
  • Torque
  • Compression Ratio
  • Fuel Requirement
  • 605 @ 5800 RPM
  • 615 @ 4400 RPM
  • 10.5 to 1
  • 92 Octane
All Classic Options Available

The "Saturday Night Special" Package Is Designed For The Hot Rodder That Puts Performance Above All Else. It Combines "Limited" Streetability With "Race Engine" Performance In A Pump Gas Version! This Is The "Bad Boy" Of The Bunch! Putting Out Over 650HP, This Beast Shreds Tires And Leaves The Competition In The Dust! This Version Was Featured On "HorsePower TV And Includes Many "Competition Style" Upgrades. It Requires A Minimum Of 93 Octane Gas, But That's A Small Price To Pay For The Incredible Performance This Version Delivers.

  • AFR 235cc Fully CNC Ported Aluminum Heads
  • 8MM Lightweight Valves
  • Harland Sharp 1.6 .050" Offset Aluminum Roller Rockers
  • ARP Competition Head Stud Kit
  • Comp Cams Custom Ground Steel Billet Solid Roller Cam
  • Dart Dominator Intake w/"SuperMod" Porting
  • Horsepower
  • Torque
  • Compression Ratio
  • Fuel Requirement
  • 655 @ 6200 RPM
  • 625 @ 4800 RPM
  • 10.75 to 1
  • 93 Octane
SS Options: (Specific To This Version - All Other Classic Options Available)