Ultrastreet High Performance Street Engines
Dart Big M Rebate




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!!


  • 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
  • Camshaft
  • Timing Set
  • Timing Cover
  • Balancer
  • Heads
  • Porting
  • Int. Valves
  • Exh. Valves
  • Valve Springs
  • Retainers
  • Rocker Arms
  • Pushrods
  • Head Gaskets
  • Fasteners
  • Oil Pump
  • Oil Pan
  • SSRE Custom Solid Roller Kit
  • Cloyes Billet True Roller Set
  • GM Performance Chrome
  • SFI 7" Hi-Performance
  • New Design Dart Pro 1 345cc
  • As Cast
  • 2.300" Severe Duty Stainless
  • 1.880" Severe Duty Stainless
  • 1.550" Enduro Roller
  • 10° Steel
  • Comp Cams Ultra Pro 1.7 Roller
  • Comp Cams/Manley 3/8"
  • Cometic MLS
  • ARP Head Studs
  • Moroso High Volume w/Welded Pickup
  • Moroso 7 Quart Street/Strip Stroker
  • SSRE Custom Solid Roller Kit
  • Cloyes Billet True Roller Set
  • GM Performance Chrome
  • ATI Double Keyed Super Damper
  • New Design Dart Pro 1 345cc
  • CNC Chambers
  • 2.300" Severe Duty Stainless
  • 1.880" Severe Duty Stainless
  • 1.550" Enduro Roller
  • 10° Steel
  • Comp Cams Ultra Pro 1.7 Roller
  • Comp Cams/Manley 3/8"
  • Cometic MLS
  • ARP Head Studs
  • Moroso High Volume w/Welded Pickup
  • Moroso 7 Quart Street/Strip Stroker
  • SSRE Custom Solid Roller Kit
  • Cloyes Billet True Roller Set
  • GM Performance Chrome
  • ATI Double Keyed Super Damper
  • New Design Dart Pro 1 355cc
  • Fully CNC Ported
  • 2.300" Severe Duty Stainless
  • 1.880" Severe Duty Stainless
  • 1.640" Manley NexTek Dual Solid Roller
  • 10° Titanium
  • Harland Sharp HD Wide Body 1.7 Roller
  • Comp Cams/Manley 3/8"
  • Cometic MLS
  • ARP Head Studs and Dart Valley Stud Kit
  • Moroso High Volume w/Welded Pickup
  • Moroso 7 Quart Street/Strip Stroker


Stage 1:
CNC Chambers $ 395
Hydraulic Roller Cam, Lifter & Spring Package $ 595
Severe Duty "Hippo" Roller Lifters w/Pin Oiling (Extended Lifter Life) $ 250
SSRE Stud Girdle w/CNC Machined 2-Piece Valvetrain Stabilizer & Locking Hex Head Adjusting Nuts $ 250
T&D/Jesel Comp Series Shaft Rockers $ 1195
7/16" SHD Exh. Pushrods (w/Shaft Rockers Only) $ 50
Dart Inner Valley Stud Kit $ 95
Double Key Crank & ATI Double Key Super Damper Harmonic Balancer $ 395
ATI 6 Bolt Hub Upgrade $ 50
Stage 2:
Steel Billet Caps $ 450
Calico Coated Bearing Package $ 150
Dart Pro 1 355 Fully CNC Ported Heads (Adds 25HP) $ 795
Hydraulic Roller Cam, Lifter & Spring Package $ 595
Severe Duty "Hippo" Roller Lifters w/Pin Oiling (Extended Lifter Life) $ 250
SSRE Stud Girdle w/CNC Machined 2-Piece Valvetrain Stabilizer & Locking Hex Head Adjusting Nuts $ 250
T&D/Jesel Comp Series Shaft Rockers $ 1195
7/16" SHD Exh. Pushrods (w/Shaft Rockers Only) $ 50
Dart Inner Valley Stud Kit $ 95
O-Ring Package (includes Copper Head Gaskets & O-ringed Block) $ 175
ATI 6 Bolt Hub Upgrade $ 50
Stage 3:
Hydraulic Roller Cam, Lifter & Spring Package $ 595
.904 Lifters (Hippo Required) $ 200
Severe Duty "Hippo" Roller Lifters w/Pin Oiling (Extended Lifter Life) $ 250
SSRE Stud Girdle w/CNC Machined 2-Piece Valvetrain Stabilizer & Locking Hex Head Adjusting Nuts $ 250
T&D/Jesel Comp Series Shaft Rockers $ 1195
Crower Stainless Steel Shaft Rocker Arm System. Designed For Severe Duty Street Use. $ 1195
7/16" SHD Exh. Pushrods (w/Shaft Rockers Only) $ 50
Pro Series Pan $ 200
O-Ring Package (includes Copper Head Gaskets & O-ringed Block) $ 175
ATI 6 Bolt Hub Upgrade $ 50