GM Performance Cast Iron Bow Tie Sportsman Blocks
GM Performance Parts is now offering blueprinted Bowtie blocks that are specifically designed for the sportsman racer. The sportsman blocks are fully CNC machined from the factory, providing surfaces that are square and true, minimizing the required machine work for a finished product.

The splayed center nodular iron caps provide the strength needed for high horsepower competition engines at a price that is affordable to the sportsman.
     
Part #
Manufacturer
Product Name
Price
19166454
GM Performance Parts
LSX Block, Bowtie, Bare
$1,998.85
25534367
GM Performance Parts
4.494” Bore Tall Deck Two-Piece Cast Iron Bow Tie Sportsman Block
$2,249.95
25534368
GM Performance Parts
4.560” Bore Tall Deck One-Piece Seal Cast Iron Bow Tie Sportsman Block
$2,549.95
12480047
GM Performance Parts
3.980" Bore/350 Main Cast Iron Bow Tie Sportsman Block
$1,699.95
12480174
GM Performance Parts
3.980" Bore/350 Mains Cast Iron Bow Tie Sportsman Block
$2,299.95
12480049
GM Performance Parts
3.980" Bore/400 Main Cast Iron Bow Tie Sportsman Block
$2,059.95
12480157
GM Performance Parts
4.117" Bore/350 Mains Cast Iron Bow Tie Sportsman Block
$1,699.95
12480175
GM Performance Parts
4.117" Bore/350 Mains Cast Iron Bow Tie Sportman Block
$2,149.95
12480159
GM Performance Parts
4.117" Bore/400 Mains Cast Iron Bow Tie Sportman Block
$1,899.95
25534363
GM Factory Replacement Parts
4.494” Bore Standard Deck One-Piece Cast Iron Bow Tie Sportsman Block
$1,765.00
25534362
GM Performance Parts
4.494” Bore Standard Deck Two-Piece Seal Cast Iron Bow Tie Sportsman Block
$1,989.95
25534364
GM Performance Parts
4.494” Bore Tall Deck One-Piece Cast Iron Bow Tie Sportsman Block
$2,285.85