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Blueprint Engines PSLS4270
Representative Image
Product images may differ from actual product appearance.

Blueprint Engines GM LS 427ci Short Block

138-PSLS4270

Ships directly from the manufacturer on 08/20/19

$5,399.00
Truck Freight:$189.00
Blueprint Engines GM LS 427ci Short Block $5,399.00
Out of stock
QTY
LS 427ci Short Block

Blueprint Engines PSLS4270 Details

Assembled Short Block

Short block includes 58x reluctor ring but does not include harmonic balancer, cylinder heads, induction system, camshaft, lifters, oil pan or flexplate.

Specifications:

Manufacturer's Part Number:
PSLS4270
Shipping Weight:
515
Package Height:
24
Package Depth:
26.75
Package Width:
30

Blueprint Engines, Forged Short Block engines are the foundation for your next high performance engine build. They feature the best, heavy duty new and reconditioned components. The Blueprint Forged Short Block engine handles a pump gas friendly street or strip build. Great foundation for a power adder project utilizing nitrous oxide, superchargers or turbochargers. These Chevy short block engines are square and parallel decked. Engines are balanced to within 2 grams, have align-honed main bearing bores and computer-honed cylinders to .0002 straightness that have been sonic tested for thickness. Whether your next project is a race car, hot rod or truck, with over 20 years in the high performance engine business. You can trust Blueprint Engines, Forged Short Block engines will supply you with the horsepower you are looking for!

JEGS Easy Kits are designed by JEGS high performance racing professionals to help you get all the performance parts you need for your race car, hot rod or truck.

Does this fitnwith stock ls1 heads

Asked by: Jerseyboy
The engine block that we use for this build is a brand new factory LS3 engine block, when we build this short block up we normally use our LS3 L92 (PS8015) cylinder heads to complete the build.
Answered by: BluePrint Engines
Date published: 2018-12-12

What CC are the pistons? What compression ratio?

Asked by: LJ73
The piston that we are currently using in this engine build is a 8cc dish piston. This engine will be right at 11:1 with a 70cc LS3 cylinder head.
Answered by: BluePrint Engines
Date published: 2018-12-12

Does this come with a cam, lifters and rockers, like the description says as the picture appears to not have a cam in it?

Asked by: KC87
This short block would be a block, crank, rods and pistons. The description on the website says that it includes a 58x reluctor but does not include harmonic balancer, cylinder heads, induction system, camshaft, lifters, oil pan or flexplate.
Answered by: BluePrint Engines
Date published: 2018-12-12

What is the bore/ stroke ? 

Asked by: Dead walker
This will have - 6.2L (376 c.i.d.) bore - 4.065 in. stroke - 3.622 in.
Answered by: Rusty B
Date published: 2019-01-19

Is this an iron block or aluminum block? 

Asked by: Mb92
It is Aluminum.
Answered by: BrandonJ
Date published: 2018-12-12
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Some parts are not legal for use in California or other states with similar laws / regulations

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WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

Tools:

WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

Electrical Cords

WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.