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

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

Small OD 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.

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

Matching Retainers: Comp Cams  714-16 for 11/32" stem 7 degree

Tool Steel Retainers:  Comp Cams 1777-16   7 degree

Matching Locators: Comp Cams 4682-16 for Bronze .570" guides (Alloy heads)

Installation Notes: 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.

MADE IN U.S.A BY PAC SPRINGS.

Spring Height Inch	Load lbs
1.950	108
1.900	125
1.850	142
1.800	159
1.750	175
1.700	192
1.650	209
1.600	226
1.550	243
1.500	260
1.450	276
1.400	293
1.350	310
1.300	327
1.250	344
1.200	360
1.150	377
1.100	394
1.082	COIL BIND