icengineworks 1750EHSeries (1-3/4″OD) Add-On Blocks, 4.000″-CLR Exhaust Header Modeling Block, 20-pc 1750EHAO1-40 Free Delivery

Purchase this set of add-on blocks when you need to expand your existing Icengineworks kit. These blocks are available in all of the same radii as found in the Basic, Pro, and Full Systems, just smaller quantities.

These blocks are also a great option for those wanting to build step headers. Blocks of every size will snap together.

• Add on blocks to expand your modeling kit
• Blocks different sizes snap together
• Great for step headers