Pro Series Birdcage Left Side Dirt Sprint 1961-chevrolet-k20-suburban-esi7719231 Valve Spring - Plus-Series -

Valve Spring - Plus-Series - Dual Spring / Damper - 470 lb/in Spring Rate - 1

547 in - Duration 270 / 286 - 112 LSA - 1600 / 5800 RPM - Big Block Chevy - Each

Spark Plug Wire Set - Ultra - Spiral Core - 8 mm - Sleeved - Black - 135 Degree Plug Boots - HEI Style Terminal - Over The Valve Cover - Small Block Chevy - Kit

464 in - Duration 268 / 276 - 110 LSA - 1600 / 5600 RPM - Mopar B / RB-Series - Each

904 in OD - Small Block Mopar / B / RB-Series / 426 Hemi - Each

Pro Series Birdcage Left Side Dirt Sprint 1961-chevrolet-k20-suburban-esi7719231 Valve Spring - Plus-Series -Birdcage Driver Side 2. 750 in ID Bearing Single Bearing Hardware Included Aluminum Black Anodized Sprint Car Each