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PAC-1243-16 PART NUMBER
PAC Circle Track Endurance Valve Springs PAC-1243$418.03Dual Spring, 1.550" Outer Diameter, 1.136 ID outer, .812" Inner Diameter, Seat Pressure 240 @ 1.900, Open Pressure 625 @ 1.200, Coil Bind 1.070", Set of 16 Springs
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PAC-1343-16 PART NUMBER
PAC Circle Track Dual Valve Springs PAC-1343$640.39Dual Spring, 1.550" Outer Diameter, 1.136 ID outer, .812" Inner Diameter, Seat Pressure 240 @ 1.900, Open Pressure 625 @ 1.200, Coil Bind 1.070", Set of 16 Springs
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Engines > Complete Engines > Crate Engines > Chevy 350 Crate Engine
CNC-Motorsports offers Chevy 350 crate engines designed and custom built to meet your needs. We take...
Engines > Short Blocks
CNC-Motorsports short blocks are in high demand among racers of all types worldwide. We use the bes...
Engines > Short Blocks > BB Chevy Short Blocks
CNC-Motorsports offers the best selection in BBC 427-454-496-540-572-598-632 short blocks. Our short...
Engines > Short Blocks > BB Chevy Short Blocks > Chevy 427 Short Deck
CNC-Motorsports offers the best selection in BBC 427 short blocks. Our short blocks are in high dema...
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