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For Sale: RHS LSX 454/463 cid short block

LS LS1 LS2 LS3 LS92 LS7


Ad #182171675   Posted:2014-04-01 14:23:19

This ad expired 60 days ago.
$7,995.00



This is a state of the art 463 cid short block assembly. Why pay $6000 to $7000 for stock block short block when for a little more you can have it in a RHS LSX block.

The short block consist of.

RHS brand new LS Block 4.165 finished bore 9.750 tall deck height PN 54900

K1 technologies 4340 forged 4.250 stroke crankshaft PN k1012FAE42558 58 reluctor wheel

Manley 4340 H-Beam connecting rods 6.300 length with upgraded ARP 2000 cap screw rod bolts PN- 14064-R

Manley 2618 forged platinum series pistons 4.165 bore 11 cc dish and coated skirts PN- 599040C-8

Manley/Toltal Seal tool steel ring set 1.5 mm / 1.5 mm 3.0 mm oil PN- 46364ST-8

Clevitte 77/Calico Coated h series race main bearings PN- MMS-2199-H

Clevitte 77/Calico Coated h series race Rod bearings PN-CCB-663-HN

Compresion ratio with 69-70 cc heads is 11.2 to 1

Piston are available in 18 cc,20 cc, 29cc, and 31cc dish as well for whatever compression ratio you desire at no additional charge



Assembly balancing and short block assembly is available as are all the parts to complete the engine at any size from 427 to 500+ cid.Weather it be for a pump gas NA or supercharged , turbo or nitrous application.

Give us a call if your interested in a complete build with this or just have questions on the block and heads DGRESHOP.COM Dave at DGRE 203-234-7459

FREE SHIPPING WITH BUY IT NOW OR FREE FREIGHT WITH A COMPLETE ENGINE BUILD lower 48 states

Here are the specs on the Block from RHS
Engineers at RHS® have recently designed a high performance engine block for GM LS applications to meet the needs of race and street performance engine builders. To go beyond the limitations of other existing LS blocks, the new RHS® LS Race Block is available in both standard deck and tall deck height configurations. Additionally, this innovative block features a raised cam centerline and outboard priority main oiling to allow rod clearance for a 4.600” stroke and to minimize windage in the crankcase. And for quality control assurance, RHS® conducts a CT scan (similar to a medical CAT scan) on each block to ensure maximum casting precision and consistency. When you combine unmatched finishing quality with added clearance for increased stroke applications, precision computeraided design and extra surface material to allow custom machining, you get the new benchmark for LS horsepower, torque and durability.

Part Number 54900 Features:

•Standard deck height (9.750)
•4.165" Bore that has been finish honed and is ready for assembly
•6.38" cylinder sleeve length
Block Specifications:
• Designed from heavy-duty A357-T6 aluminum material
• 4.125”-4.165” Siamese cast bore walls with press-in spun cast iron liner
• Available in standard (9.240”) & tall (9.750”) deck heights with beefy .750” deck thickness
• Both standard deck (5.67”/5.87”- same as LS7) & tall deck (5.94”/6.38”) cylinder liner lengths available
• Extra long liners for standard (5.87”) & tall (6.38”) decks
• “Long arm friendly” design – Accommodations for up to 4.6” stroke with standard rod pin diameters (2.100”) & oversized 60mm camshaft
• Designed for clearance – side oil galley moved outboard & engineered rod clearance come standard
• Raised cam centerline (.388”/9.86mm) to allow larger stroke; 2 extra links in the timing chain – Timing sets available from COMP Cams®
• Bay-to-bay breathing improved with increased side window area versus LSX & LS7
• Significantly increased windage passage area under bores & around caps over LS7/LSX engines
• 6 head bolt design with full water jacket around the cylinders (based on LS7 design)
• Extra large windows in valley for access to inboard “6th” head bolt
• Main Cap surface area maximized at mating surface & large fillets from cap to cross bolts for added strength
Valve Train Capabilities:
• Cam tunnel will accommodate stock through oversized 60mm roller bearing cams (includes cast-in lock screw pads)
• .842” lifters standard with material available for oversized lifter access (accepts 1.060” bushing for keyed lifters)
• In the standard deck, maximum pushrod angularity = Less than 2 degrees
• Includes Ampco 45 cam thrust plate and aluminum rear cover
• Lifter bosses designed to clear tie bar lifter
• Provisions for Gen III & Gen IV cam & knock sensors & valley covers

Superior Oiling:
• Dry sump friendly with provisions for more serious dry sump setups; includes big front & rear AN-12 side feeds
• Includes provision for piston oil squirters, cast-in & machined
• Priority main oiling, galley moved outboard for long stroke clearance
• Oil filter feed galley GM “dog bone” replaced with proprietary no restriction threaded plugs

Additional Features:
• Gen III/Gen IV compliant with race mounts for Gen I, Gen II, Gen III & Gen IV engines
• Optimized billet main caps & improved windage
• Rolled threads on all threaded holes for added strength
• Chilled main bearing bulkheads for added strength
• ARP main stud kit standard with enough material in castings to accommodate up to a ½” fastener

Business Phone Number: 203-234-7459
This item is NEW
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Item Location: HAMDEN, CT Get Directions To This City
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This ad expired 60 days ago.
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Ad posted by:
DGRESHOP (#731219)

Dave Gagnon Racing Enterprises
6 Corporate Ridge Road
Hamden, CT 06514
(203) 234-7459
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Member Since: 2014-03-13
Phone Number: 203-234-7459

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Average Honor Payment: $0.00

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Execution Stats: 0.345 sec / 16.1 MB used / 16.3 MB peak