Chevrolet - GEN V BOW TIE BARE BLOCKS (SHORT & TALL VERSIONS)
     Both of the big-block bare blocks listed on this page have been discontinued by GM and are no longer available.
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 DESCRIPTION
Gen V Tall Deck Pro Stock Bow Tie Bare Block
(Production Line Machined)
 10134367 and 10185049 have been discontinued and are no longer available.
This page will remain here for information purposes only.
P/N 10185049
      The Gen V tall deck Pro Stock (Short Deck) Bow Tie bare block has been improved for the serious pro stock or boat racer. The Bow Tie block has siamesed cylinder walls, and a one-piece rear main oil seal. Some of the enhancements to the block are: extra thick deck surfaces with blind tapped head bolt holes, a relocated main oil gallery from the drivers side oil pan rail to the camshaft tunnel, mechanical fuel pump boss has been removed, and the block’s front bulkhead moved forward to improve coolant flow around the No. 1 cylinder. This block also has machined main bearing bulkheads with four-bolt bearing caps. The Mark IV cylinder head can be used on this Gen V block.

     This block is the same as P/N 10134367 except it has a deck height of 10.200” (Tall Deck). Casting P/N 10134366.

 SPECIFICATIONS:
P/N 10185049 Specifications:
Block Material:
Cylinder Wall Type:
Deck Height:
Bore Range:
Cap Bolts:
Cap Bolt Orientation:
Cap Material:		 Cast Iron
Siamesed
9.800”
4.250-4.600”
4 Bolt
Straight
Cast Iron		 Crankshaft Journal Dia.:
Oil Sump Type:
Crank Seal:
Design Max. Stroke:
Weight:
Intended Usage:
Fuel Pump Boss:		 2.75”
Wet
1 Piece
4.600”
269 lbs.
Professional Competition
None
Special Features:
 • Lower Price HD Block.
• Cylinder bores with more material than Mark IV.
• Note: Crankshaft is One Piece Rear Main Seay Type and Fuel Pump Boss is Removed.
• Production Line Machined.
P/N 10134367 Specifications:
Block Material:
Cylinder Wall Type:
Deck Height:
Bore Range:
Cap Bolts:
Cap Bolt Orientation:
Cap Material:		 Cast Iron
Siamesed
10.200”
4.250-4.500”
4 Bolt
Straight
Cast Iron		 Crankshaft Journal Dia.:
Oil Sump Type:
Crank Seal:
Design Max. Stroke:
Weight:
Intended Usage:
Fuel Pump Boss:		 2.75”
Wet
1 Piece
4.600”
272 lbs.
Professional Competition
None
Special Features:
 • Lower Price HD Block.
• Cylinder bores with more material than Mark IV.
• Note: Crankshaft is One Piece Rear Main Seay Type and Fuel Pump Boss is Removed.
• Production Line Machined.