Streetline Dual Valve Springs KIT, 125LBS@1.900", 336lbs/in Hydraulic Flat Tappet, FITS 351C, BBC 454 (Ford Cleveland, Chevy Big Block)

DRP Dual Valve Springs KIT, Fits 351 Cleveland & Chevy Big Block 454

Upgrade & modernise your 351 Cleveland & Big Block Chevy 454 with these small OD, light weight valve springs kits. Small OD, light weight valve springs for Hydraulic Flat Tappet Camshafts.

DRP Dual Valve Springs, Streetline Series

Real muscle. Real value. High Performance Street Series 

DRP Dual Valve Springs are manufactured from PAC wire and subject to extensive quality control testing to deliver superior strength, durability and valve train stability, no matter what the application. The dual spring design creates a stronger valve spring that can easily handle increased lift found in modern aggresive camshaft applications. DRP Dual Valve Springs exceed the expectations of today’s engine builders and racers.

DRP Streetline dual valve springs deliver proven power to your build without breaking your budget.

Engineered for the street and built to perform, it’s the perfect choice for street machines, cruisers, and classic V8s that take the punishment of everyday performance.

Ideal for street use and moderate race applications, Streetline parts are manufactured from premium-grade materials, engineered for reliability, and priced for value!

Built tough. Priced tough. Ready to run.

MADE IN U.S.A BY PAC SPRINGS.

Whats in the Kit?

• DRP-9336S-16 - Valve Springs by PAC Racing
• Comp Cams Steel Retainers - 7 Deg
• DRP Street Locks - 7 Deg / 11/32" Valve square groove
• Comp Cams Spring locators - suit 570" guide (common bronze guide)
• DRP Valve Stem seals: Viton knock on type - 0.530"  / 11/32" Valve

Installed Height: 1.900"

Max Lift:  0.750" @ .060" safety

Coil Bind Height: 1.082

O.D. of Outer: 1.275"

I.D. of Inner: 0.694"

I.D. of Outer: 0.950"

Spring Style:  Dual

Spring Rate:  336 lbs/inch

Seat Pressure:  125lbs@1.900"

Dampener: Not required

*Installation Notes: *Cast Iron cylinder heads will require machine work. Cast Iron heads will require machine work for the spring pads & guide post. Use the recommended hardened seat locator when fitting to Aluminium Cylinder Heads.

• Cast Iron heads will need spring pads machined down to fit dual valve springs:
• use Comp Cams cutter #4716CPG - Cutter is 1.320" OD x 0.630" guide. (use to locate by OD)
• use Comp Cams# 4672 - Cutter 1.340" OD with .560" ID. (use with seat locator)

MADE IN U.S.A BY PAC SPRINGS.