VPW Engine Block- SB Chev 1 Piece Rear Main Seal, 86-later 

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When building a mild Small-Block performance engine, blocks from VPW offer strength,accuracy and peace
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of mind that can’t be assured in a rebuilt core.And, unlike so many of the used cores, nearly all of ours feature four-bolt main caps for extra strength. Each cylinder block is machined to production-spec tolerances and is manufactured to the exact specifications of post-1986 engines.

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must use GMP-14088556 rear seal adaptor

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SBC Iron Small Block 1 Piece RMS
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Deck Height …………………………………………….. 9.025″
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Bore …………………………………………….. 4.00″ 
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Main Bearing Size …………………………………………….. 350 (2.45″) 
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Weight …………………………………………….. 205 lbs

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OE roller cam compatible…………………………………..
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Largest Recommended Bore …………………………..…… 4.030″
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Camshaft Bearing Diameter …………………………..…… SBC – 2.00″
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Camshaft Position …………………………………………… Standard SBC
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Deck Thickness, min …………………………………………… .675″
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Torque Specs – Main Caps 1 – 5 7/16″ bolts 65 ft lbs  1 & 5 3/8″ outer 40 ft lbs

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