BTR: PISTON SET - 4.065" BORE - 4.000" STROKE - 6.125" ROD - 5CC FLAT TOP - BTRP416125FT5-8 chambered 2-1/2"" 2-Bolt Exhaust Flange

2-1/2"" 2-Bolt Exhaust Flange

- Fits all 1964-1972 GM A-Body

1966-67 GTO Auto

Stage 2 - The wXm Reaper-LT4CFG cam is that loud raspy loping cam that still has nice low end driveability while allowing maximum air flow for the motor to breath and the super charger to maximize it's efficiency

- 1 ¼-inch square tubing

BTR: PISTON SET - 4.065" BORE - 4.000" STROKE - 6.125" ROD - 5CC FLAT TOP - BTRP416125FT5-8 chambered 2-1/2"" 2-Bolt Exhaust FlangeBTR PISTON SET 4. 065" BORE 4. 000" STROKE 6. 125" ROD 5CC FLAT TOP BTRP416125FT5 8 RINGS NOT INCLUDED BTR and Wiseco have formed a partnership to bring an affordable piston to market for LS engines. Constructed out of 2618 forged material, BTR pistons give the consumer options for stock floating pin or aftermarket connecting rods, and stock 3. 622", 3. 625", or 4. 000" crankshaft strokes for a wide variety of applications. Included in the set are .