45 Degree Elbow, 4.00" I.D. x 3.50" Leg Length - Black 2001 pontiac firebird while the rear kit features

while the rear kit features a 225 lb/in spring rate

Centerforce billet aluminum flywheels are SFI-certified

Good upgrade for factory performance cams in 390-428

QA1 offers an assortment of high travel springs with a black powder coated finish

45 Degree Elbow, 4.00" I.D. x 3.50" Leg Length - Black 2001 pontiac firebird while the rear kit featuresVibrant Performance 45 Degrees Aramid Reinforced Silicone Elbows feature tight radius bends, making them ideal for congested engine bays that are typical in late model cars. All Vibrant Performance Silicone Elbows feature High Temperature Resistant Aramid Reinforcement Fabric between each layer of silicone which allows for an impressive Operating Temperature Range of 75 Degrees F to 392 Degrees F ( 60 Degrees C to 200 Degrees C). Suitable for Water,