Streetline 6 Cylinder LS style Hydraulic Roller Dual Valve Springs; 145lbs@1.800". 374lbs/inch .740" Lift (Chevy 350 & 302W Windsor Ford)

DRP 6 Cylinder - LS Dual Valve Springs, Streetline Series - Set of 12

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.

Part Number: 8374S (8 for 1.800 install height) (374 spring rate) (S for streetline)

Installed Height: 1.800"

Seat Load: 145lbs @ 1.800" /  164lbs @ 1.750"

Spring Rate:   374 lbs / inch

Max Lift: .740" @ 060" safety. 

Valve Spring Coil Bind: 1.000"

Valve Spring OD: 1.295"

Valve Spring ID: 0.685"

Matching Retainers: DRP-RT8MM for 8mm stem / DRP-RT1132 for 11/32" stem. 

Matching Locators: DRP-SL500 for OEM .500" guides / DRP-SL570 for Bronze .570" guides.

MADE IN U.S.A BY PAC SPRINGS.

Spring Height Inch	Load lbs
1.950	89
1.900	108
1.850	126
1.800	145
1.750	164
1.700	182
1.650	201
1.600	220
1.550	238
1.500	257
1.450	276
1.400	294
1.350	313
1.300	332
1.250	351
1.200	369
1.150	388
1.100	407
1.000	Coil Bind