Ultrastreet High Performance Street Engines




We Developed Our New Big Block "Power Adder" Short Blocks For Blower Or Turbocharged Applications. With The Availability Of 3 Different Stages You Can Decide On The Power That You Need!!


  • Stage I
  • Stage II
  • Stage III
  • Is Rated For   950 HP
  • Is Rated For 1250 HP
  • Is Rated For 1500 HP +
  • Bore/Stroke
  • CR
  • Block
  • Deck Height
  • Crank
  • Crank Snout
  • Rods
  • Pistons
  • Pins
  • Rings
  • Bearings
  • Balancing
  • 4.500 x 4.250
  • 8.5-1
  • Dart Big "M" w/Splayed Nodular Caps
  • Standard
  • Eagle 4340 Forged Steel
  • Standard
  • Eagle 4340 6.385" H-Beam w/L19 Bolts
  • JE Pro Series Blower Style
  • 5115 Low Carbon Case Hardened Steel
  • Plasma Moly 1/16 • 1/16 • 3/16
  • Clevite 77 "H" Series Main & Rod
  • Internal
  • 4.500 x 4.250
  • 8.5-1
  • Dart Big "M" w/Splayed Nodular Caps
  • Standard
  • Callies DragonSlayer 4340
  • Double Keyed
  • Manley 4340 6.385" H-Beam w/ARP
  • JE Pro Series Blower Style
  • 5115 Low Carbon Case Hardened Steel
  • Hell Fire® 1/16 • 1/16 • 3/16
  • Clevite 77 "H" Series Main & Rod
  • Internal
  • 4.500 x 4.250
  • 8.5-1
  • Dart Big "M" w/Splayed Steel Billet Caps
  • Standard
  • Callies Magnum Plus
  • Double Keyed
  • Oliver Steel Billet 6.385" Heavy Weight
  • JE Pro Series Blower Style
  • 200 Straightwall Tool Steel
  • Hell Fire® 1/16 • 1/16 • 3/16
  • Clevite 77 "H" Series w/Calico Coating
  • Internal

Deluxe Shortblock Version

Includes: Custom Solid Roller Cam Based on your application w/Cloyes Billet True Roller Timing Set • GM Performance Chrome Timing Cover • Tavia Pointer • SFI 7" Hi-Performance Balancer (ATI Double Key Standard on Stage II & III) • Moroso 7 Quart Street & Strip Stroker Oil Pan • Moroso High Pressure Oil Pump w/Welded Pickup • All Gaskets, Seals And Hardware • Completely Assembled With Camshaft Degreed-in And Timing Pointer Set For True TDC.
Stage I $ 1400
Stage II & III (includes ATI Double Keyed Balancer) $ 1650
Stage 1:
O-Ring Block w/Stainless Steel Wire $ 175
Stage 2:
O-Ring Block w/Stainless Steel Wire $ 175
Steel Billet Caps $ 450
Calico Coated Bearing Package $ 150
Stage 3:
O-Ring Block w/Stainless Steel Wire $ 175


Components Subject To Change Due To Availability.
Free Freight Applies To All Advertised Items Shipped To A Commercial Address In The 48 States. Residential, Out-Of-Area Or Lift Gate Service Subject To Additional Charges. Insurance & Handling Fees Apply.

Toll Free: 800.295.7142 • Phone: 631.218.7530 • FAX: 631.218.7540 • Email: ssre123@aol.com

35 Davinci Drive • Bohemia, NY 11716
HOURS: Mon - Thu  9:00 a.m. - 6:00 p.m. Friday  9:00 a.m. - 3:00 p.m. EST
A Division Of Scott Shafiroff Race Engines & Components © 2000-2011 All Rights Reserved