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cylinder head , cylinder head used for BRAND NEW CHEV SB 350 C.I.D VORTEC 330HP/380FT-LBS CRATE ENGINE

    • Application: all
    • Market Type:After Market 
    • Price: US $150 - 200 / Set
    • Payment Terms: L/C, T/T
    • Minimum Order: 1 Set

Quick Details

  • Supply Ability:

    3000 Set/Sets per Month

  • Delivery Details:


  • Packing:

    fumigation-free wooden packing

  • Delivery Port:

    tianjin, qingdao, shanghai

  • OE Experience:


Product Name:cylinder head , cylinder head used for BRAND NEW CHEV SB 350 C.I.D VORTEC 330HP/380FT-LBS CRATE ENGINE

cylinder head , cylinder head used for BRAND NEW CHEV SB 350 C.I.D VORTEC 330HP/380FT-LBS CRATE ENGINE



Product Description:








  • applied Engine Type: Chev Small Block V8
  • Displacement (cu in): 350
  • Bore x stroke (in): 4.00 x 3.48
  • Block: Cast iron with 4 bolt main caps
  • Crankshaft: Nodular Iron
  • Connecting Rods: Powdered Metal Steel
  • Pistons: Cast Aluminium
  • Camshaft Type: Hydraulic Roller
  • Camshaft lift (in): .431 intake / .451 exhaust
  • Camshaft Duration (@.050 in): 196° intake / 206° exhaust
  • Cylinder Heads: Cast Iron Vortec 64cc chambers
  • Valve size (in): 1.94 intake / 1.50 exhaust
  • Compression ratio: 9.2:1
  • Rocker arms: Stamped steel
  • Rocker arm ratio: 1.5:1
  • Cylinder Heads have 1967-86 Intake manifold bolt pattern
  • Must use early model neutral Harmonic Balancer
  • Must use offset weighted flexplate to suit 1 piece rear main seal
  • Less manifold, distributor, water & fuel pump, balancer & flexplate
  • Horsepower: 330hp
  • Torque: 380 ft-lbs



 below info is for reference




The CHEV 350 SB Vortec 5700 L31 is a V8 truck engine. Displacement is 5.7 L. It is the last production Generation I small-block from Chev. The cylinder heads feature combustion chambers very similar to those of the LT1 V8, but without the reverse-flow cooling. As such, the L31 head is compatible with all older small-blocks, and is a very popular upgrade. It offers the performance of more expensive heads, at a much lower cost. It does, however, require a specific intake manifold (a Vortec head has four bolts attaching the intake manifold as opposed to the traditional six bolts per head). The L31 was replaced by the 5.3 L 5300 LM7. The 2002 model year was the final year for the L31 5.7 L small block V-8 whose origins date back to 1955. The Vortec 5700 produces 255 hp (191 kW) to 350 hp (261 kW) at 4600 rpm and 330 ft-lbf (448 N·m) to 350 ft-lbf (475 N·m) of torque at 2800 rpm. It is currently being produced as a crate engine for marine applications and automotive hobbyists as the "ramjet 350" with minor modifications.


L31 applications:

  • 1996-2003 Chev Express/GMC Savana full-size vans
  • 1996-1999 Chev/GMC C/K full-size trucks
  • 1996-1999 Chev Suburban/GMC Suburban full-size long-wheelbase SUVs
  • 1996-1999 Chev Tahoe/GMC Yukon (and 2000 Tahoe Limited) full-size short-wheelbase SUVs
  • 1999-2000 Escalade


our cylinder head features:

1,advanced iron casting technology


2,cylinder heads are chemically vatted, magnafluxed and checked for adherence to  super specifications prior  to being surfaced 


3, re-assembled with new valves, springs and seals as well as new seats and guides 

when  required. The assembly is then completed with rocker arms prior to being 

chemically protected, wrapped and  put into inventory. 


4,All Hebei Jayuan products are guaranteed to meet factory specifications, come with a one  year warranty against defects in the quality of materials and workmanship and are also  backed by our  industry leading 100% Satisfaction Guarantee.


our product packing:






our workshop




 our production features:



15years dedicated to making cylinder block and head,transferred our years of 

experience into our manufacturing. 


thorough engineering And combination of our latest machinery experience,

complimented by accurate jigs and fixtures give our products the desired quality

 and optimum performance. 


Our Cylinder Head manufacturing process quality controls each production 

stage with several parameters. 


the mandatory stages of production are side milling, drilling, sheet cutting, tapping,

 pressure testing, water jacket cleaning, crack test, de-burning & oiling, fitment of child parts, final inspection and packaging. 

Through all the stages, an end-to-end process and quality parameters are adhered, to ensure hard-line quality and sturdy end product. 


Our range of products is for diesel engines used in following applications for 

several of brands i. e. Earthmovers, tractors, combine, trailers, trucks, commercial 

vehicles, and generators



our casting procedure






Disclaim: Hebei Jiayuan Auto Parts Co.,Ltd is not affiliated with 

any Cummins, Komatsu, Caterpillar, Deutz, Perkins,Nissan, 

Toyota, etc or their OEM manufacturers. All manufacturers or 

OEM manufacturers name, picture, color, part number, drawing, 

symbol and description are for reference only and it is not implied

 that any part used is the product of these manufacturers.



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Supplier Details

Shijiazhuang Jialiya Trading Co. , Ltd.

Market Type: After Market 
Business Type: Others
Main Product: Cast Iron Pipe, Cast Iron Pipe Fittings, Soil Pipe Fittings, Cast Iron Ornament, Cylinder Block and Head

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