CYLINDER HEAD REPLACEMENT FACTORY
Specs:
below info is for reference
5700
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:
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:
v 15years dedicated to making cylinder block and heads ,transferred our years of
experience into our manufacturing.
v thorough engineering And combination of our latest machinery experience,
complimented by accurate jigs and fixtures give our products the desired quality
and optimum performance.
v Our Cylinder Head manufacturing process quality controls each production
stage with several parameters.
v 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.
v 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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