SBC Crossover Headers 1- 1/2in-1-5/8in Crate 2007-gmc-sierra-2500-hd-esi3454831 Valve Spring - RAD-9000 -

Valve Spring - RAD-9000 - Dual Spring / Damper - 510 lb/in Spring Rate - 1

Coil Spring - Gold Series - Conventional - 5 in OD - 8 in Length - 275 lb/in Spring Rate - Rear - Steel - Gold Powder Coat - Each

this is the complete drivers side P/S

1 in Rectangular Port - Composite - Small Block Ford - Kit

Exhaust System - Touring Edition - Cat-Back - 3 in Diameter - Dual Rear Exit - 4

SBC Crossover Headers 1- 1/2in-1-5/8in Crate 2007-gmc-sierra-2500-hd-esi3454831 Valve Spring - RAD-9000 -Headers Conventional Crossover 1. 5 to 1. 625 in Primary 3 in Collector Gaskets Hardware Included Steel Black Paint Small Block Chevy Pair