B&M Flexplate, Steel SFI, 1957-1985 SB For Chevrolet, 1965-up 396-427 BB For Chevrolet and 1978-2014 GM 90 degree V6 with 2-pc Rear Main Seal, 168-Too (BM20230)

BM20230 - SB BB CHEV 350 396 454 168T

Suit SB & BB Chev 168 Tooth, Internally Balanced

Part Number: BM20230

'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.