Skip to product information
1 of 4

INTAKE MANIFOLD,LS1/2/6,SINGLE-PLANE,4150,SPLIT,BLACK

INTAKE MANIFOLD,LS1/2/6,SINGLE-PLANE,4150,SPLIT,BLACK

SKU:HOL 300-256BK

Regular price $749.95
Regular price Sale price $749.95

Yes, we have this item in stock and ready to ship immediately!

View full details

BRAND NEW HOLLEY SINGLE PLANE SPLIT-DESIGN RACE INTAKE MANIFOLD, BLACK CAST FINISH, CATHEDRAL PORT CYLINDER HEADS, COMPATIBLE WITH GM LS1, LS2 & LS6 ENGINES

COMPATIBLE WITH GM LS GEN III ENGINES WITH CATHEDRAL PORT HEADS & INTENDED FOR 4150 STYLE SQUARE BORE FLANGED CARBURETORS OR THROTTLE BODY EFI. DESIGNED FOR HI-PERFORMANCE/RACING ENGINE APPLICATIONS & 5.3 TO 6.2 PLUS LITER DISPLACEMENT.

SINGLE-PLANE DESIGN PROVIDES OPTIMAL PERFORMANCE ACROSS THE RPM SPECTRUM WHILE PROVIDING MAX PERFORMANCE UP TO 7000 RPM. THIS MANIFOLD INCORPORATES A SPLIT FEATURE ALLOWING DISASSEMBLY OF THE INTAKE FOR DIRECT ACCESS TO INTERNAL PLENUM & PORT SURFACES, MAKING CUSTOM PORTING & MATCHING EASY. WITH SHOULDER BOLT LOCATORS & O-RING SEAL, REASSEMBLY IS SIMPLE & PRECISE.

FEATURES:

  • MAX PERFORMANCE RACE DESIGN WITH HOOD CLEARANCE CONSIDERATION
  • LIGHTER THAN OTHER SPLIT RACE INTAKES
  • SPLIT FEATURE MAKING PORTING EFFORTS EASY
  • 33 TO 50% THE PRICE OF OTHER SPLIT RACE INTAKES
  • CAPTURED O-RING SEALS AT HEAD PORTS & SPLIT
  • VACUUM PORT OPTIONS INCLUDE (2) 1/8, (1) 1/4 & (1) 3/8, NPT PORTS AT THE CARB FLANGE
  • A-B HEIGHT - 7.32" (0 DEGREE CARB FLANGE ANGLE)
  • PORT SIZE - 3.28" HEIGHT X 1.10" WIDE
  • CARBURETOR FLANGE - STANDARD 4150 FOR UP TO 1-3/4" DIAMETER THROTTLE BORES
  • AS-CAST RUNNER CROSS-SECTIONAL AREA - 3.5" SQUARED AT THE RUNNER ENTRY TAPERED TO 2.9" SQUARED AT THE FLANGE EXIT

SPECS:

  • BARRELS: 4
  • COLOR: BLACK CAST
  • ENGINE: GM LS1,LS2 & LS6
  • FLANGE STYLE: 4150 SQUARE BORE
  • FRONT HEIGHT: 7.32"
  • FUEL SYSTEM TYPE: CARB
  • MANIFOLD TYPE: SPLIT SINGLE PLANE
  • PRODUCT TYPE: INTAKE MANIFOLD
  • REAR HEIGHT: 7.32"
  • RECOMMENDED USE: FORCED INDUCTION
  • RPM POWER BAND: 3500-8000 RPM

YOU CAN VIEW AND DOWNLOAD THE COMPLETE ASSEMBLY INSTRUCTION BOOKLETS FOR THIS INTAKE MANIFOLD HERE.