PAC Racing 1200 Series Valve Spring Dual Spring 629 lb/in Spring Rate 1.100" Coil Bind - 1.625" OD SP800BK Brackets work with the standard

Brackets work with the standard secondary arm as well as a throttle adjust-ment-screw secondary arm

Aluminum Bypass replaces engine-mounted oil filter in wet sump oiling system and directs oil to remote oil filter or oil cooler

1 to 6 in Lift

Points or module triggered Built-in adjustable rev limiter in 100 RPM increments from 3100-9900 RPM Inductive ignition with long duration spark Low cost boost retard (with optional MAP sensor) or 0-20° selectable nitrous retard

2020-2021 GMC Sierra 2500 HD 82

PAC Racing 1200 Series Valve Spring Dual Spring 629 lb/in Spring Rate 1.100" Coil Bind - 1.625" OD SP800BK Brackets work with the standardProduct Description: Valve Spring 1200 Series Dual Spring 629 lb in Spring Rate 1. 100 in Coil Bind 1. 625 in OD Drag Race Set of 16 PAC Racing Springs is part of the Race Winning Brands Family. With more than 100 years of spring manufacturing experience. We understand the demands of racing and provide a commitment to all of our customers to provide the best service possible. We continue to expand products and offer expanded onsite technical services