Tapered inserts with 1.000” I.D. and are machined to be within .002″ for precise tuning. Inserts feature a step to simply drop into spacers and have sizes engraved on each insert for easy identification. Restrictor plate are design to take HP out of the engine. Sold in a set of 4. Please e-mail with questions.
DEL-TRON PRODUCTS
Optimized by Seraphinite Accelerator
