Hastings 4.250" Bore Piston Rings File Fit 5/64 x 5/64 x 3/16" Thick Low Tension - Moly Gauges & Data Acquisition Individual Gauges The raised throttle body location

The raised throttle body location optimizes the larger

This -6AN 190

Deep Powerful Exhaust Tone

814" inside diameter are used to equalize the installed height of valve springs

Nissan 240Z / 260Z / 280Z 1970-77

Hastings 4.250" Bore Piston Rings File Fit 5/64 x 5/64 x 3/16" Thick Low Tension - Moly Gauges & Data Acquisition Individual Gauges The raised throttle body locationProduct Description: Piston Rings Premium Ductile Moly 4. 250 in Bore File Fit 5 64 x 5 64 x 3 16 in Thick Low Tension Ductile Iron Plasma Moly 8 Cylinder For nearly 100 years, Hastings has earned its reputation as a leader in piston ring technology.