21 Results Found For "spring"

Valve Spring Retainers, Steel, Beehive, 7 Degree, Non LS, 11/32 in. 1.060 in. Outside Diameter, 0.640 in. Inside Diameter, Set of 16

Part Number: SUM-174003-3

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

SBC 1.550 Dual Springs, Endurance Solid Roller, .700 Max Lift @ 240 Lb. seat @ 1.900 Installed, 625 Lbs. @ 1.200 Open, 1.130 C.B., 550 Rate, PAC 1243

Part Number: SUM-174030D-1

Not Yet Reviewed

Estimated Ship Date: Today

BBC 1.645 Triple Springs, .900 Max Lift @ 332 Lb. seat @ 2.100 Installed, 950 Lb. @ 1.200 Open, 1.130 C.B., 687 Rate, 183gr. Like PAC 1248

Part Number: SUM-174045T-1

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Estimated Ship Date: Today

LS Dual Springs, Hyd. Or LLSR .750 Max Lift @ 160 Lb. seat @ 1.800 Installed, 510 Lb. @1.100 Open, 1.000 C.B., 1.324 Dia., 500 rate, Like PAC 1209X.

Part Number: SUM-174011DP-1

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Estimated Ship Date: Today

Valve Spring Retainers, 1.250 in., 7 Degree, 11/32 Stem, SBC, Set 16

Part Number: SUM-174000-3

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Estimated Ship Date: Today

7.3 Godzilla Valve Springs, .650 Max Lift @ 160 Lb. seat @ 2.250 Installed, 420 @ 1.600 Open, 1.544 C.B., 1.270 Dia., 400 Rate, Like PAC 1282LX

Part Number: SUM-174020BP-1

Not Yet Reviewed

Estimated Ship Date: Today

BBC 1.625 Dual Springs, Solid Roller .850 Max Lift @ 275 Lb. seat @ 2.000 Installed, 810 Lb. @ 1.150 Open, 1.100 C.B., 629 Rate, 152g Like PAC 1224

Part Number: SUM-174042D-1

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Estimated Ship Date: Today

BBC 1.625 Dual Springs, Solid Roller .900 Max Lift @ 280 Lb. seat @ 2.100 Installed, 847 Lb. @ 1.150 Open, 1.100 C.B., 629 Rate, 152g Like PAC 1228

Part Number: SUM-174043D-1

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Estimated Ship Date: Today

LS Dual Springs, Solid Roller, .750 Max Lift @ 250 Lb. seat @ 1.800 Installed, 700 Lb. @ 1.050 Open, .985 C.B., 1.274 Dia., .600 Rate, Like PAC 1238X.

Part Number: SUM-174012DP-1

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Estimated Ship Date: Today

LS Dual Springs, Solid Roller.765 Max Lift @ 250 Lb. seat @ 1.800 Installed, 860 Lb. @ 1.050 Open, .985 C.B., 1.300 O.D., 813 Rate, Like PAC 1335

Part Number: SUM-174013DP-1

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Estimated Ship Date: Today

6.4 Apache Hemi Valve Springs, .650 Max Lift @ 175 Lb. seat @ 2.050 Installed, 450 Lb. @ 1.396 Open, 1.346 C.B. 1.345 Dia., 423 Rate, Like PAC 1232X

Part Number: SUM-174016BP-1

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Estimated Ship Date: Today

SBC 1.550 Dual Springs, Drag Solid Roller, .800 Max Lift @ 250 Lb. seat @ 2.000 Installed, 765 Lb. @ 1.200 Open, 1.150 C.B., 644 Rate, Like PAC 1225

Part Number: SUM-174031D-1

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Estimated Ship Date: Today

SBC or BBC 1.500 Dual Springs, Advanced S.R.1.000 Max lift @ 420 Lb. seat @ 2.175 Installed, 1200 Lb. @ 1.175 Open, 1.130 C.B., 780 Rate,144g PAC 1355

Part Number: SUM-174041DP-1

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Estimated Ship Date: Dec 15, 2025 if ordered today

SBC or BBC 1.500 Dual Springs, Advanced S.R. .850 Max Lift @ 275 Lb. seat @ 2.050 Installed, 938 Lb. @ 1.200 Open, 1.130 C.B., 780 Rate, 144g PAC 1330

Part Number: SUM-174040DP-1

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

SBC 1.550 Dual Springs, Drag Solid Roller .800 Max Lift @ 275 Lb. seat@ 2.000 Installed, 805 Lb. @ 1.200 Open, 1.150 C.B., 663 Rate, Like PAC 1226

Part Number: SUM-174032D-1

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

BBC 1.645 Triple Springs, Endurance S.R., .950 Max Lift @ 350 Lb. seat @ 2.150 Installed, 1004 Lb. @ 1.200 Open, 1.130 C.B., 688 Rate, 183g PAC 1358

Part Number: SUM-174046TP-1

Not Yet Reviewed

Estimated Ship Date: Dec 15, 2025 if ordered today

Rocker Arms, Roller Bearing Trunnion, LS-7, Assembled, Steel, 1.8 Ratio, Offset Intake, Rectangle Port, Chevy, Each

Part Number: SUM-141555I-1

Not Yet Reviewed

Estimated Ship Date: Today

Rocker Arm, Heavy Duty, 1.7 Ratio, Roller Fulcrum, Ductile Iron, Offset Intake Only, L92/LS9/LS3, GEN IV LS GM Each

Part Number: SUM-141554I-1

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Estimated Ship Date: Today

Rocker Arms, Roller Bearing Trunnion, LS-7, Assembled, Steel, 1.8 Ratio, Exhaust, Rectangle Port, Chevy, Each

Part Number: SUM-141555E-1

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Estimated Ship Date: Today

Rocker Arm, Heavy Duty, 1.7 Ratio, Roller Fulcrum, Ductile Iron, Catherdral Int. & Exh L92/LS9/LS3 exh. only, GM, Each

Part Number: SUM-141554E-1

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Estimated Ship Date: Today

Rocker Arm, Trunnion Upgrade, Assembled, Cast Steel, 1.7 Ratio, Straight Body, Cathedral Port, Chevy, LS1, LS2, LS6, LQ4, LQ9, Each

Part Number: SUM-141556-1

Not Yet Reviewed

Estimated Ship Date: Dec 1, 2025 if ordered today

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