


TSP LS3 3/4 Race Camshaft – LS 6.0L / 6.2L w/ Rectangular Port Heads
TSP LS3 3/4 Race Camshaft – LS 6.0L / 6.2L w/ Rectangular Port Heads
The TSP LS3 3/4 Race Cam is a classic 3/4 race cam reimagined for modern Rectangular-Port LS3 headed engines. With a lopey idle, proven top-end gains, and streetable drivability, this cam is ideal for 6.0 / 6.2 with rectangular port headed LS builds that want old-school sound and real performance. Expect a +60–65 HP gain over stock with the right supporting mods.
Camshaft Specifications:
Duration @ .050” (Intake/Exhaust): 230° / 246°
Lift (Intake/Exhaust): .629" / .615"
LSA: 110°
ICL: 108°
Powerband: Strong mid-range and top-end performance
Estimated Gain: +60–65 HP over stock
Required Components:
Valve Springs: .660"+ rated dual valve springs required (TSP/PAC 660 or equivalent)
Pushrods: 5/16" hardened pushrods required
Stall Converter: 3200+ stall torque converter required for automatics
Dyno Proven:
Tested on a 370 CID LQ4 with 10:1 compression, stock L92 heads, TSP/PAC 660 dual valve springs, and a stock L92/LS3 intake manifold running on 93 octane pump gas. This cam delivered a consistent 60–65 horsepower gain with a strong, usable curve throughout the mid and upper RPM ranges.
Sound & Drivability:
Idle: Deep, aggressive, and unmistakably choppy
Drivability: Streetable with proper tuning and converter
Ideal Use: Street/strip builds, weekend warriors, and retro-inspired LS setups
If you're looking for a cam that delivers that classic race feel with real power to back it up, the TSP LS3 3/4 Race Cam is the aggressive solution for 6.0L and 6.2L LS3 headed LS builds that live for chop and performance.
TSP LS3 3/4 Race Camshaft – LS 6.0L / 6.2L w/ Rectangular Port Heads
The TSP LS3 3/4 Race Cam is a classic 3/4 race cam reimagined for modern Rectangular-Port LS3 headed engines. With a lopey idle, proven top-end gains, and streetable drivability, this cam is ideal for 6.0 / 6.2 with rectangular port headed LS builds that want old-school sound and real performance. Expect a +60–65 HP gain over stock with the right supporting mods.
Camshaft Specifications:
Duration @ .050” (Intake/Exhaust): 230° / 246°
Lift (Intake/Exhaust): .629" / .615"
LSA: 110°
ICL: 108°
Powerband: Strong mid-range and top-end performance
Estimated Gain: +60–65 HP over stock
Required Components:
Valve Springs: .660"+ rated dual valve springs required (TSP/PAC 660 or equivalent)
Pushrods: 5/16" hardened pushrods required
Stall Converter: 3200+ stall torque converter required for automatics
Dyno Proven:
Tested on a 370 CID LQ4 with 10:1 compression, stock L92 heads, TSP/PAC 660 dual valve springs, and a stock L92/LS3 intake manifold running on 93 octane pump gas. This cam delivered a consistent 60–65 horsepower gain with a strong, usable curve throughout the mid and upper RPM ranges.
Sound & Drivability:
Idle: Deep, aggressive, and unmistakably choppy
Drivability: Streetable with proper tuning and converter
Ideal Use: Street/strip builds, weekend warriors, and retro-inspired LS setups
If you're looking for a cam that delivers that classic race feel with real power to back it up, the TSP LS3 3/4 Race Cam is the aggressive solution for 6.0L and 6.2L LS3 headed LS builds that live for chop and performance.