What Is the Spark Plug Style on BluePrint's Small Block Chevy Aluminum Heads? 

BluePrint Engines recommends a straight-style spark plug for Small Block Chevy (SBC) engines equipped with our aluminum cylinder heads.

Recommended Spark Plug Specifications

• Style: Straight
• Reach: 0.750"
• Seat Type: Gasket seat
• Recommended Plug: NGK 7938 (BKR5E)
• Recommended Shorties: Accel 0416S-4 
• Gap: 0.035"

Additional Information

The spark plug recommendation for your specific engine can be found in:

1. The engine's product page under the Engine Accessory Specifications tab.
2. The engine's Recommended Parts Sheet included with the engine documentation.