Exedy Hyper Multi Flywheel Bolt Set - 1989-1994 Nissan 240SX | Fits NM012SD (BF01)

Complete your Exedy Hyper Multi flywheel installation with the correct Exedy replacement flywheel bolt set. Designed specifically for use with the Exedy NM012SD Hyper Multi flywheel on the 1989-1994 Nissan 240SX, these flywheel bolts should be replaced at every flywheel removal — flywheel bolts are high-stress fasteners that should never be reused once removed.

Important: Flywheel bolts are critical safety fasteners. Always replace flywheel bolts at every flywheel removal. Never reuse flywheel bolts. Torque to manufacturer specifications using a calibrated torque wrench.

Key Features:

• Exedy replacement flywheel bolt set
• Designed for Exedy NM012SD Hyper Multi flywheel
• Fits 1989-1994 Nissan 240SX (KA24DE and KA24E)
• Correct thread specification and length for NM012SD flywheel
• Exedy quality and engineering

Specifications:

• Brand: Exedy
• Part Number: BF01
• Product: Flywheel Bolt Set
• Fits: Exedy NM012SD Hyper Multi Flywheel
• Weight: 0.5 lbs
• Barcode: 651099036670

Fitment Information:

• 1989-1994 Nissan 240SX S13 - KA24DE and KA24E
• Flywheel: Exedy NM012SD Hyper Multi flywheel
• Note: These bolts are specifically designed for the Exedy NM012SD flywheel — verify compatibility with your specific flywheel before ordering
• Installation: Professional installation recommended — torque to Exedy specifications

What's Included:

• Exedy flywheel bolt set (BF01) — complete set for NM012SD flywheel installation
• Note: Always use a new bolt set — do not reuse removed flywheel bolts

Installation Notes:

• Professional installation recommended
• Clean crankshaft flange bolt holes thoroughly before installation
• Apply thread locker if specified by Exedy — refer to NM012SD installation instructions
• Thread bolts by hand to verify correct thread engagement before torquing
• Torque in a star pattern to Exedy's specified torque value using a calibrated torque wrench
• Do not use an impact wrench to torque flywheel bolts
• Verify torque after initial heat cycle if specified

Why Replace Flywheel Bolts?

Flywheel bolts are among the most critical fasteners in the drivetrain. They secure the flywheel to the crankshaft flange, transmitting the engine's full torque output through the flywheel to the clutch and transmission. Flywheel bolts are subjected to extreme cyclic loading — every power stroke of the engine applies torque through these bolts, and every deceleration event reverses the load. This cyclic stress causes microscopic fatigue in the bolt material over time. Many flywheel bolts are also torque-to-yield (TTY) fasteners, which are intentionally stretched slightly beyond their elastic limit during installation to provide consistent clamping force — once stretched, they cannot be reliably reused. A failed flywheel bolt can result in flywheel separation from the crankshaft, which is a catastrophic and potentially dangerous failure. Always replace flywheel bolts at every flywheel removal.

Exedy NM012SD Hyper Multi Flywheel:

The Exedy NM012SD is Exedy's Hyper Multi lightweight flywheel for the 1989-1994 Nissan 240SX (S13) with KA24DE or KA24E engine. The Hyper Multi flywheel reduces rotational mass compared to the factory flywheel, improving engine response, rev speed, and acceleration feel. A lighter flywheel allows the engine to accelerate and decelerate more quickly, providing a more responsive, engaging driving experience — particularly noticeable in performance and track driving where rapid throttle response is valued. The BF01 bolt set is the correct replacement hardware for the NM012SD, ensuring the flywheel is secured with the correct fasteners at the correct torque specification.

Exedy Replacement Parts:

Exedy's replacement parts program reflects their commitment to quality and long-term product support. As friction and drivetrain components wear through use, Exedy provides the correct replacement hardware to rebuild and restore their products to like-new condition. The BF01 flywheel bolt set is part of this program — providing the correct, application-specific fasteners needed to properly install or reinstall the NM012SD flywheel. Using Exedy's replacement bolts ensures the correct thread specification, length, and material grade for the NM012SD application, eliminating the guesswork of sourcing generic hardware store bolts that may not meet the required specifications.

Torque Specifications:

Always torque flywheel bolts to Exedy's specified torque value for the NM012SD flywheel. Do not estimate or use generic torque specifications — under-torquing can result in flywheel movement and bolt loosening, while over-torquing can damage the crankshaft flange threads or stretch the bolts beyond their design limit. Use a calibrated torque wrench and torque in a star pattern to ensure even clamping force across all bolt positions. Refer to the Exedy NM012SD installation instructions for the correct torque specification and any thread preparation requirements (thread locker, clean and dry threads, etc.).

Why Exedy?

Exedy is one of the world's leading manufacturers of clutch and drivetrain components, with OEM supply relationships with major automotive manufacturers and a strong aftermarket performance product lineup. Their Hyper Multi flywheel series is trusted by enthusiasts and professional builders worldwide for quality construction and reliable performance. Exedy's commitment to providing correct replacement hardware for their products ensures that builders can maintain and rebuild their Exedy components with confidence.

Perfect For:

• 1989-1994 Nissan 240SX S13 builds installing or reinstalling Exedy NM012SD Hyper Multi flywheel
• 240SX clutch replacements requiring flywheel removal and bolt replacement
• KA24DE and KA24E builds using Exedy NM012SD flywheel needing correct replacement bolts
• Anyone completing an Exedy NM012SD flywheel installation on a 240SX

Perfect For: 1989-1994 Nissan 240SX owners installing the Exedy NM012SD Hyper Multi flywheel and requiring the correct Exedy replacement flywheel bolt set.

Pro Tip: Order the bolt set at the same time as the flywheel — flywheel bolts must be replaced at installation and should never be reused. Having the correct bolts on hand before the job starts prevents delays and ensures the flywheel is installed with the correct hardware from the start.

Replace at Every Removal: Fits Exedy NM012SD. 1989-1994 Nissan 240SX KA24DE/KA24E. 0.5 lbs. Torque to Exedy specifications. Never reuse flywheel bolts. Professional installation recommended.

Complete your Exedy NM012SD flywheel installation correctly — Exedy BF01 replacement flywheel bolt set, correct specification, replace at every removal.