– Sfi 29.1 Approved, Suit Sb & Bb Chev 168 Tooth, Internally Balanced
-’55-’85 chevrolet sb v8 & 90 deg. V6 with 168 tooth ring gear & 10-3/4″ or 11-1/2″ bolt circle except 400, ’90 & earlier chevrolet bb v8 with 168 tooth ring gear & 10-3/4″ or 11-1/2″ bolt – Circle except 454
– Chevrolet flexplates have dual bolt patterns to accommodate powerglide, th-350, 400 & 700-r4.
– SFI 29.1 approved, nhra/ihra legal for all classes.
– SFI certification sticker included (recertification required every 3 yrs.).
– Ideal for street applications to extreme duty racing and high (above 6,000) rpm use.