M&W 51-Tooth Axle Sprocket 5.25" Bolt Pattern 29043BL and standard valve spacing make

and standard valve spacing make this the perfect street head for 350-400ci engines from 1955-1986

Callies then subjects this material to multiple heat treatments including our proven Ultra-Case nitride process

1923-1947 STREET ROD CID 283

Brake Duct Flange

1992-1995 GMC Safari

M&W 51-Tooth Axle Sprocket 5.25" Bolt Pattern 29043BL and standard valve spacing makeProduct Description: Axle Sprocket 51 Tooth 5. 25 in Bolt Pattern Aluminum Natural Micro Sprint Sold Individually M&W Aluminum Products, Inc. was established in 1987, recognizing the need to fill a void in the supply of radius rods to the racing industry. With only a selected number of manufacturers at the time, availability and customer service was very much a concern for this industry. Limited supplies and untimely deliveries were the immediate