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Technical Articles for Part Number SUM-8719-2-BHV
Summit Racing™ Pro LS Camshaft & Spring Kits
Camshaft Kit, Pro LS Vortec Truck Swap, Hydraulic Roller Tappet, Advertised Duration 261/269, Lift .550/.550, Chevy GM, LS/LSX, Gen III/IV, Kit
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Kit/Combo Contents
ACDelco 12557840 - ACDelco GM Genuine Parts Harmonic Balancer Fastener Bolts
Harmonic Balancer Bolt, Steel, Flanged Hex, Coarse Thread, Natural, Buick, Cadillac, Chevrolet, GMC, Hummer, Isuzu, Pontiac, Saab, Each
Kit Item Quantity: 1
Permatex 22072 - Permatex Ultra Black Maximum Oil Resistance RTV Silicone Gasket Maker
Ultra RTV, Black, Maximum Oil Resistance, Each
Kit Item Quantity: 1
Summit Racing SME-143008 - Summit Racing™ Valve Seals
Valve Seals, Positive Stop, Viton® Fluoroelastomer, 8mm Stem, 0.500 in. Guide, Set of 16, LS1 hat style with single spring locator
Kit Item Quantity: 1
Summit Racing SUM-174002 - Summit Racing™ Valve Springs
Pro LS Valve Springs, LS6 Style, 0.550 Max Lift, Single Beehive, 1.270 in. O.D., 375 lbs./in. Spring Rate, 1.800 in. Installed Height, Set of 16
Kit Item Quantity: 1
Summit Racing SUM-8719R1 - Summit Racing™ Pro LS Vortec Truck Swap Camshafts
Stage 1 Pro LS Truck Swap Cam, High-Lift version, 209/217 112 + 1 .550/.550 Lift, 3-bolt, 4.8-6.2L, LQ4 LQ9 LY6 LS1 LS2 LY6 LS6 LS7 LS9 LH6, Each
Kit Item Quantity: 1
Summit Racing SUM-G2627 - Summit Racing™ Cam Change Gasket Sets
Engine Gasket Set, LS Cam Change Gasket Kit, LS-1,LS-2,LS-3,LS-6, Chevy, Set
Kit Item Quantity: 1
Overview
Brand:
Manufacturer's Part Number:
SUM-8719-2-BHV
Part Type:
Product Line:
Summit Racing Part Number:
SUM-8719-2-BHV
Cam Style:
Hydraulic roller, OE roller
Basic Operating RPM Range:
1,800-6,200
Camshaft Use:
Street/Strip
Camshaft Manufacturers Description:
The Summit Stage 1 High-lift Vortec truck engine swap cam is great for a daily driver and produces incredible torque right off idle. It's makes more power through the rpm range with higher lift, yet remains durable with proven LS6 valve springs. It also works as as a stealth cam in daily driven cars. Idle speed can be tuned for smooth idle or a noticeable lope.
Intake Duration at 050 inch Lift:
209
Exhaust Duration at 050 inch Lift:
217
Duration at 050 inch Lift:
209 int./217 exh.
Advertised Intake Duration:
261
Advertised Exhaust Duration:
269
Advertised Duration:
261 int./269 exh.
Intake Valve Lift with Factory Rocker Arm Ratio:
0.550 in.
Exhaust Valve Lift with Factory Rocker Arm Ratio:
0.550 in.
Valve Lift with Factory Rocker Arm Ratio:
0.550 int./0.550 exh.
Lobe Separation (degrees):
112
Camshaft Gear Attachment:
3-bolt
Computer-Controlled Compatible:
Yes
Lifters Included:
No
Valve Springs Included:
Yes
Valve Spring Style:
Beehive
Outside Diameter of Outer Spring (in.):
1.290 in.
Retainers Included:
No
Locks Included:
No
Valve Stem Seals Included:
Yes
Timing Chain and Gears Included:
No
Assembly Lubricant Included:
No
Pushrods Included:
No
Rocker Arms Included:
No
Gaskets Included:
Yes
Valve Springs Required:
No
Quantity:
Sold as a kit.
Notes:
Not for AFM or VVT equipped engines. Summit Pro LS cams are designed for engines swapped into pre-pollution controlled vehicles. Not for use in registered emissions-controlled vehicles operated on public highways and roads. 3-bolt camshaft, computer tuning required.
Special Attention:
Hazardous items are only returnable in person to a retail store due to strict shipping regulations.
Summit Racing™ Pro LS Camshaft & Spring Kits
Summit Racing™ Pro LS camshaft and spring kits are designed for GM LS engines. Each cam kit offers a budget-friendly option without sacrificing quality and performance. They're available in Stage 1 or 2 performance configurations. Stage 1 kits include the cam and matching drop in beehive springs with seals or optional upgraded dual spring and retainer kit. Stage 2 kits give you an additional cam change gasket kit and a crank bolt. Order the Summit Racing™ Pro LS camshaft kit recommended for your year/make and engine application.
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