LT Swap Flexplate — Premium Performance Redefined

551056-LT LT Swap Flexplate Features:

• 20,000 RPM Certified: Lab-tested well beyond the SFI 29.2 safety benchmark for peace-of-mind at extreme engine speeds
• Aerospace-Grade Alloy Steel: Precision-machined in the USA and rated to withstand up to 3,500 hp.
• Gen IV & Gen V Compatibility: Direct bolt-on for RPO codes L82, L83, L84, L86, L87, LT1, LT2, L8B, L8T, LT4, LT5, LSA, and LSX.
• Broad Transmission Support: Fits Powerglide, TH400, TH350, 700R4, 4L60E, 4L80E, and 2004R units.
• Triple Bolt Pattern: Accepts 6-bolt torque converters on 10.75", 11.06", and 11.5" circles—covering the widest range of converters in the industry.
• One-Piece 168-Tooth Ring Gear: Integral design maximizes strength and concentricity.
• Complete Hardware Kit: Ships with one flexplate and eight grade 12.9 mounting bolts.
• Durable Finish: Black powder coat resists corrosion and scratches.

Spacer Note: Non-LS/LT transmissions require torque-converter spacer P/N 551165 (sold separately).