NGK Iridium IX Spark Plug - 14 mm Thread 0.985" Reach Tapered Seat - Stock Number 6510 Air Conditioning Fittings & Hose Ends The 75cc combustion chamber allows

The 75cc combustion chamber allows this cylinder head to be used with stock pistons

Chevrolet: K1500 98 - 98 5

1975-1978 GMC C35 CID 454 GAS

Use Head Bolt Kits for easy installation

You'll recognize the 7AL-2 Plus Ignition Control now in Black

NGK Iridium IX Spark Plug - 14 mm Thread 0.985" Reach Tapered Seat - Stock Number 6510 Air Conditioning Fittings & Hose Ends The 75cc combustion chamber allowsProduct Description: Spark Plug NGK Iridium IX 14 mm Thread 0. 985 in Reach Tapered Seat Stock Number 6510 Resistor Sold Individually With over 80 years of automotive expertise, we are driven by extreme dedication to performance and quality. From OEM to aftermarket, our people push the boundaries of innovation to bring the latest technologies to market under the NGK and NTK brands. Since 1936, NGK Spark Plugs has been the world leader in technology,