SHP LS Next Short Blocks – 427 Cubic Inches – GEN III – Cast Iron Blocks Professionally built short blocks with brand new premium components. Street performance and Sportsman racing. Simplify engine building and save time with pre-engineered, dyno tested short block combinations from Dart's SHP (Special High Performance) group. These quality component packages are designed to allow the user to build more powerful and durable engines at a very affordable cost. 

Dart 427 LS Short Block Assembly 03424272 Flat Top Pistons 

427 CI Short Block (6CW)

Features:

  • LS3/LS7 Compatible
  • Internally Balanced
  • Special High Performance LS NEXT Dart Block
  • 4.125” Bore x 4.000” Stroke
  • Plate Honed Cylinders
  • K1 Forged 4340 Steel Crankshaft (6 Counterweight)
  • K1 Forged 4340 H-Beam Rods – 7/16“ Cap Screws
  • Wiseco -8cc Forged Flat Top or Dish Pistons w/ Full Floating Pin
  • Coated Cam Bearings
  • 58 Tooth Reluctor

More From This Category

JESEL Rocker, Pro Series, SS SB 23 Degree 1.5/1.5 (Black Shaft), Pair

JESEL Rocker, Pro Series, SS SB 23 Degree 1.5/1.5 (Black Shaft), Pair

$237.33

View
MANLEY Timing Chain and Gear Set, Race Roller, -.005, Set

MANLEY Timing Chain and Gear Set, Race Roller, -.005, Set

$153.70

View
Proflow Power Steer Pulley, V Belt suits Billet Gilmer Drives, For Holden V8, Silver

Proflow Power Steer Pulley, V Belt suits Billet Gilmer Drives, For Holden V8, Silver

$93.95

View
ICON Piston, 3.736 in. Bore, 1/16, 1/16, 3/16 in. Ring Grooves, For Chevrolet 305 Rod 6.000 Flat Top +3.2cc 2V, .060 Oversized, w/ Rings, Each

ICON Piston, 3.736 in. Bore, 1/16, 1/16, 3/16 in. Ring Grooves, For Chevrolet 305 Rod 6.000 Flat Top +3.2cc 2V, .060 Oversized, w/ Rings, Each

$1,591.62

View
Trick Flow Camshaft, Hydraulic Roller, Advertised Duration 266/272, Lift .530/.530, Lobe Sep. 113, GM 5.7L LT1, Each

Trick Flow Camshaft, Hydraulic Roller, Advertised Duration 266/272, Lift .530/.530, Lobe Sep. 113, GM 5.7L LT1, Each

$813.11

View
ATI Performance Products Crank Trigger Shell, 7.07 in. Dia., Steel, 3RG Smooth For Chevrolet 3 Bolt, Used With 1-Pc Hub/Inner Shell Int, Each

ATI Performance Products Crank Trigger Shell, 7.07 in. Dia., Steel, 3RG Smooth For Chevrolet 3 Bolt, Used With 1-Pc Hub/Inner Shell Int, Each

$201.11

View