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Technical Articles for Part Number SUM-8713R1
Summit Racing™ Pro LS Vortec Truck Swap Camshafts
Stage 3 Pro LS Truck Swap Cam, 222/232 112+5, .550/.550 Lift, 3-bolt, 4.8, 5.3, 5.7, 6.0, 6.2L LS1 LS2 LS6 LS3 LS7 LS9 LSA LQ4 LQ9 LH6 LM7, Each
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Estimated Ship Date: Monday 10/19/2026 Would you rather pick it up?
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Overview
Brand:
Manufacturer's Part Number:
SUM-8713R1
Part Type:
Product Line:
Summit Racing Part Number:
SUM-8713R1
UPC:
190861251502
Cam Style:
Hydraulic roller, OE roller
Camshaft Use:
Racing
Camshaft Manufacturers Description:
Not intended for use with VVT or AFM. Biggest daily driver cam in a 5.3 and a 2500 stall converter is recommended. Strong lopey idle. State-of-the-art cam lobe designs to pull strongly from 2500 to 6500 rpm with LS6 springs.
Basic Operating RPM Range:
2,500-6,500
Intake Duration at 050 inch Lift:
222
Exhaust Duration at 050 inch Lift:
232
Duration at 050 inch Lift:
222 int./232 exh.
Advertised Intake Duration:
274
Advertised Exhaust Duration:
284
Advertised Duration:
274 int./284 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
Remanufactured:
No
Computer-Controlled Compatible:
Yes
Valve Springs Required:
Yes
Quantity:
Sold individually.
Notes:
Not intended for use with VVT or AFM. The Summit Stage 3 truck cam is about the biggest daily driver cam in a 5.3 and a 2500 stall converter is recommended. It has a strong lopey idle. It uses state-of-the-art cam lobe designs to pull strongly from 2500 to 6500 rpm with LS6 springs. Camshaft features base circle of 0.750 int./0.750 exh.
Summit Racing™ Pro LS Vortec Truck Swap Camshafts
Summit Racing™ Pro LS Truck Swap cams are affordable and give you maximum punch where the torque converter hits. The cam lobes are designed for excellent valvetrain longevity. Both drop-in or high-lift versions are available. They come in stages allowing you to quickly determine which gives you the idle and efficiency you are looking for. Idle response and the midrange torque from theses camshafts is unmatched. Starting with American bearing steel, they are precision machined on a Landis 3LB CNC grinder with CBN diamond wheels for an extremely good finish quality. The lobes have been designed for stability at high rpm with the spring pressures found in commonly available, quality spring packs.
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Instructions & Calculators
Some parts are not legal for use in California or other states with similar laws / regulations
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