Availability
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
Not Yet Reviewed
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Today
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
Not Yet Reviewed
Estimated Ship Date: Today
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: Today
Estimated Ship Date: 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
Estimated Ship Date: Today
Coolant Crossover, Billet Aluminum, -4AN Braided Stainless Hose, LS Throttle Body Bypass Hose Kit Coolant Steam Crossover, W/ Vent, LS1, LSX, Kit
Part Number: SUM-220960
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer Bolt, Chromoly, Black Oxide, 12-Point, All Gen. 3/4 Chevy, 4.8, 5.3, 6.0L, 6.2L, 7.0L LS1, LS6, Each
Part Number: SUM-910257
Estimated Ship Date: Today
Estimated Ship Date: Today
Coolant Crossover, Billet Black Aluminum, -4AN Braided Stainles Hose, LS Throttle Body Bypass Hose Kit Coolant Steam Crossover, W/Vent, LS1, LSX, Kit
Part Number: SUM-220960-B
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Map Sensor Adapter, Convert LS1/LS2 Map Sensor to LS3 Sensor, Harness Adapter, Chevrolet V8, Each
Part Number: SUM-890133
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Bolt, Steel, Black Oxide, 8mm x 1.25, LS1/LS6 Style Rocker Arms, Set of 8
Part Number: SME-143005
Estimated Ship Date: Today
Estimated Ship Date: Today
Oxygen Sensor Extension Harness, 4 Wire, Flat, 24 in. Long, Early LS1, LS6, LT1, Pair
Part Number: SUM-890132
Estimated Ship Date: Today
Estimated Ship Date: Today
Wiring Harness, LS Coil Harness Extension. 24.00 in. In Length, for Remote Mounted Coils, LS1, LS2, LS3, LS6, LS7, LS9, LSA, Each
Part Number: SUM-890128
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Throttle Body Adapter Harness, LS2 Throttle Body to LS1 Vehicle, Each
Part Number: SUM-890106
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Flexplate Adapter, Pilot extension, Crankshaft Hub, Steel, Natural, Chevy GM, LS/LSX, Gen III/IV, Each
Part Number: SUM-704004
Estimated Ship Date: Today
Estimated Ship Date: Today
Gasket, Gen. 3/4 LS Timing Cover Set with Seal and Oil pump O-Rings, Cork/Rubber, 4.8/5.3/5.7/6.0/6.2L, V8's, Kit
Part Number: SUM-G2628
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Thermostat Housing, Cast Aluminum, Polished, 60 Degree, Swivel, Chevrolet, LS, Each
Part Number: SUM-370998
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Thermostat Housing, Cast Aluminum, Black, 60 Degree, Swivel, Chevrolet, LS, Each
Part Number: SUM-370998B
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plug Wires, Summit Street Series, 8mm, 500 Ohm, Black, 9" Leads, OEM Coil Boots, LS, V8, Set
Part Number: SUM-877828
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Aluminum, Chrome Plated, Straight Out, Chevrolet, LS, Each
Part Number: SUM-370990
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Aluminum, Chrome Plated, Swivel, 60 Degree, Chevrolet, LS, Each
Part Number: SUM-370995
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Thermostat Housing, Cast Aluminum, Polished, Straight, Chevrolet, LS, Each
Part Number: SUM-370997
Estimated Ship Date: Today
Estimated Ship Date: Today
Water Neck, Thermostat Housing, Cast Aluminum, Copper Plated, 60 Degree, Swivel, Chevrolet, LS, Each
Part Number: SUM-370998CPR
Estimated Ship Date: Today
Estimated Ship Date: Today
Timing Chain Kit, Single Roller Style, Cadillac, Chevy, GMC, Hummer, Isuzu, Pontiac, Saab, V8, Kit
Part Number: SUM-TS73162
Estimated Ship Date: Apr 21, 2026 if ordered today
Estimated Ship Date: Apr 21, 2026 if ordered today
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