Streetline, Dual Valve Springs Hydraulic Flat Tappet. 125lbs@1.800" 336lbs/in Suits 350 Chevy, 302W Windsor, Chrysler 360, Holden 253 308.

DRP Dual Valve Springs, Fits 350 Chevy & 302 Windsor Small blocks 

Small OD Valve springs for Hydraulic Flat Tappet Camshafts.

Also fits Holden 253 308 with machine work.

DRP Dual Valve Springs, Streetline Series

LS Small OD style Hydraulic Roller Dual Valve Springs.

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.

Installed Height:1.800 

Max Lift: 0.655" @ .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@1.800"

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:

• Holden 308 heads will need spring pads machined down to fit a 1.800" installed - use Comp Cams cutter #4716CPG - Cutter is 1.320" OD x 0.630" 

Spring Height Inch	Load lbs
1.950	75
1.900	91
1.850	108
1.800	125
1.750	142
1.700	159
1.650	175
1.600	192
1.550	209
1.500	226
1.450	243
1.400	260
1.350	276
1.300	293
1.250	310
1.200	327
1.150	344
1.082	Coil Bind