Brian Tooley BTR RED HOT Camshaft Kit w/ LS7 Lifters, .625″ Beehive Springs, Hardened Pushrods, LS1 MLS Gaskets – +50HP +11TQ | 221/24X .619/.617 113 LSA | Fits GM 5.7 4.8 5.3 LS1 LS6 LS4 LM7 L59 LM4

Description

The Brian Tooley Racing Red Hot is one of the most talked about camshafts in the LS performance community right now — and this kit gives you everything needed to install it right on your 5.7L, 4.8L, or 5.3L LS engine. The Red Hot was engineered to deliver more power than BTR’s existing Stage 2 profiles while using less intake duration, resulting in a broader, more usable powerband that works equally well in naturally aspirated and lightly boosted applications. With dyno-proven gains of 50+ rear wheel horsepower and 11+ lb-ft of torque, a 113° LSA that keeps the powerband broad and accessible, and .619″/.617″ valve lift, the Red Hot is the cam for builders who want serious real-world performance without sacrificing street manners. Fire it up and you will know immediately this isn’t a stock LS anymore.

This kit is built around a complete, precision-matched valvetrain package that leaves nothing to chance. The 16 premium LS7-style roller lifters with trays are wider, more stable, and purpose-built for high-lift aggressive cam profiles — the first upgrade every serious LS builder makes. The .625″ beehive valve springs are purpose-matched to the Red Hot’s .619″/.617″ lift profile, delivering correct spring pressure and reliable high-RPM operation while keeping valvetrain mass low. Hardened chromoly pushrods at 7.400″ length and 0.080″ wall thickness eliminate the flex that stock pushrods cannot handle under a performance cam — a critical upgrade that serious LS builders never skip. Premium valve stem seals and a front timing cover gasket round out the valvetrain package so nothing gets left out.

The two included LS1-style Multi-Layer Steel head gaskets are precision matched to the cathedral port cylinder heads found on 5.7L, 4.8L, and 5.3L LS engines — the gold standard for sealing a performance build under sustained high cylinder pressure. This kit is compatible with 1999–2013 GM 5.7L, 4.8L, and 5.3L Vortec LS engines. A professional tune is required for both automatic and manual applications. A 2,800–3,200 RPM stall converter is recommended for automatic vehicles. Measuring piston-to-valve clearance prior to installation is always recommended. Big power. Broad powerband. Built for the street.

• COMPLETE BTR RED HOT CAM KIT – Trusted by LS builders nationwide, this kit includes everything a professional installer would spec: Brian Tooley Racing Red Hot Camshaft (221/24X, .619″/.617″, 113 LSA, 3-Bolt, Made in USA), 16 Premium LS7-Style Roller Lifters with Trays, .625″ Beehive Valve Springs, Hardened Chromoly Pushrods (7.400″, 0.080″ wall), 16 Premium Valve Stem Seals, Front Timing Gasket, and 2 LS1-Style MLS Head Gaskets. One order, one shipment, zero guesswork.
• DYNO PROVEN +50HP +11TQ – MORE POWER WITH LESS DURATION – The BTR Red Hot delivers dyno-proven gains of 50+ rear wheel horsepower and 11+ lb-ft of torque while using less intake duration than BTR’s existing Stage 2 profiles. The result is a broader, more usable powerband that pulls strong in real-world driving conditions — not just on a dyno sheet. This is big power with street manners built right in.
• 16 PREMIUM LS7-STYLE ROLLER LIFTERS WITH TRAYS – LS7-style lifters are wider, more stable, and built to handle high-lift aggressive cam profiles without failure. Lifter trays are included to keep everything properly oriented during installation — the same setup serious LS builders and professional engine shops spec every time. Don’t cut corners on the parts that keep your valvetrain alive.
• MATCHED .625″ BEEHIVE SPRINGS + HARDENED PUSHRODS – Purpose-matched to the Red Hot’s .619″/.617″ lift profile for correct spring pressure and reliable high-RPM operation. Hardened chromoly pushrods at 7.400″ length and 0.080″ wall thickness eliminate flex under load. Stock pushrods flex — these don’t. Sixteen premium valve stem seals and front timing gasket included for a complete professional install.
• LS1-STYLE MLS HEAD GASKETS – Two premium Multi-Layer Steel head gaskets precision matched to the cathedral port cylinder heads found on 5.7L, 4.8L, and 5.3L LS engines. MLS is the gold standard for sealing performance builds — superior crush resistance, better sealing under high cylinder pressure, and long-term reliability that composite gaskets simply cannot match.