The Crate Engine Authority

-65%NEW

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.000 Bore, SIAM, Steel Billet Main Caps, 6-Bolt

$4,799.99

$1,680.00

-65%NEW

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.125 Bore, SIAM, Steel Billet Main Caps, 6-Bolt

$4,799.99

$1,680.00

-65%NEW

BluePrint Engines GM Small Block Compatible Bare Block – 9.025 Deck x 4.125 Bore, 2-Piece Seal, 400 Main, SIAM, Steel Billet Main Caps, Splayed

$3,999.00

$1,399.65

-65%NEW

BluePrint Engines GM LS Compatible Bare Block – 9.705 Deck x 4.125 Bore, SIAM, Steel Billet Main Caps, 6-Bolt

$4,799.99

$1,680.00

-65%NEW

BluePrint Engines GM Big Block Compatible Bare Block – 9.800 Deck x 4.500 Bore, 2-Piece Seal, SIAM, Ductile Cast Main Caps

$3,999.99

$1,400.00

-65%NEW

BluePrint Engined GM LS Compatible Bare Block – 9.705 Deck x 4.000 Bore, SIAM, Steel Billet Main Caps, 6-Bolt

$4,799.99

$1,680.00

-65%NEW

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.125 Bore, SIAM, Steel Billet Main Caps, 4-Bolt

$4,799.99

$1,680.00

-65%NEW

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.000 Bore, SIAM, Ductile Cast Main Caps, 4-Bolt

$3,999.99

$1,400.00

-65%NEW

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.125 Bore, SIAM, Ductile Cast Main Caps, 4-Bolt

$3,999.99

$1,400.00

-65%NEW

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.000 Bore, SIAM, Steel Billet Main Caps, 4-Bolt

$4,799.99

$1,680.00

-65%NEW

BluePrint Engines GM Big Block Compatible Bare Block – 9.800 Deck x 4.500 Bore, 2-Piece Seal, SIAM, Steel Billet Main Caps

$4,799.99

$1,680.00

-65%NEW

BluePrint Engines GM Big Block Compatible Bare Block – 9.800 Deck x 4.600 Bore, 2-Piece Seal, SIAM, Steel Billet Main Caps

$4,799.99

$1,680.00

Bare Blocks

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.000 Bore, SIAM, Steel Billet Main Caps, 6-Bolt

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.125 Bore, SIAM, Steel Billet Main Caps, 6-Bolt

BluePrint Engines GM Small Block Compatible Bare Block – 9.025 Deck x 4.125 Bore, 2-Piece Seal, 400 Main, SIAM, Steel Billet Main Caps, Splayed

BluePrint Engines GM LS Compatible Bare Block – 9.705 Deck x 4.125 Bore, SIAM, Steel Billet Main Caps, 6-Bolt

BluePrint Engines GM Big Block Compatible Bare Block – 9.800 Deck x 4.500 Bore, 2-Piece Seal, SIAM, Ductile Cast Main Caps

BluePrint Engined GM LS Compatible Bare Block – 9.705 Deck x 4.000 Bore, SIAM, Steel Billet Main Caps, 6-Bolt

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.125 Bore, SIAM, Steel Billet Main Caps, 4-Bolt

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.000 Bore, SIAM, Ductile Cast Main Caps, 4-Bolt

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.125 Bore, SIAM, Ductile Cast Main Caps, 4-Bolt

BluePrint Engines GM LS Compatible Bare Block – 9.240 Deck x 4.000 Bore, SIAM, Steel Billet Main Caps, 4-Bolt

BluePrint Engines GM Big Block Compatible Bare Block – 9.800 Deck x 4.500 Bore, 2-Piece Seal, SIAM, Steel Billet Main Caps

BluePrint Engines GM Big Block Compatible Bare Block – 9.800 Deck x 4.600 Bore, 2-Piece Seal, SIAM, Steel Billet Main Caps