Drag Illustrated Issue 169, June/July 2021 - Page 9

UNTER series

CRANKSHAFTS

NEW

BM 2017 / BM 2027
BM 2017 : 9.800 Deck Height
BM 2027 : 10.200 Deck Height
Most Powerful Cast Conventional Manifold on the Market
New Plenum Design for Engines 500 - 582 cu in
4000 - 8400 rpm Range
Integral Turtle
Nitrous / Injection Bosses
Oval Port Manifolds , MUST Be Port Matched to Fit Rectangular Port Heads
BB-3 XTRA
327
CNC Ported Chamber
Flows Over 400 cfm
As Cast 327 cc Rectangular Intake Ports
2.300 / 1.880 Valve Sizes
24 ° Valve Angle
Uses All Standard Rockers
119 cc Combustion Chamber
BB-3 XTRA 345™
BB-3 XTRA 363™
Flows Over 400 cfm
As Cast
CNC Ported Chamber
Flows Over 416 cfm
As Cast 345 cc Rectangular Intake Ports
2.300 / 1.880 Valve Sizes
24 ° Valve Angle
As Cast
Newly Designed Intake and Exhaust Ports
2.300 / 1.880 Valve Sizes
119 cc Combustion Chambers
Uses Standard Rockers
363 cc Rectangular Intake Port Flows Over 436 cfm

H EAD

UNTER series
As Cast
Flows Over 416 cfm
Flows Over 436 cfm
IK ® 215
Best Balance Between Performance and Price
Uses All Standard Components
Toughest Castings in the Business
Perfect for Cast Iron Replacement
100 % CNC Machined
215 cc Port Flows Over 275 cfm
A-356 Virgin Aluminum , Easily Repaired

BP HH BB 395 MC™

NEW

BP HH BB 383 / BP HH BB 383 MC

383 cc Oval Intake Port Flows Over 465 cfm ( BP HH BB 383 )
383 cc Oval Intake Port Flows Over 480 cfm ( BP HH BB 383 MC )
Exhaust Port Flows 320 cfm
2.375 / 1.850 Valve Sizes ( BP HH BB 383 )
2.400 / 1.850 Valve Sizes ( BP HH BB 383 MC )
24 ° Valve Angle
100 % CNC Ported
10 ° Deck Holes
Copper Exhaust Seats
Milled for One-Piece Rocker System
Fastest 24 ° Conventional Heads on the Market
395 cc Intake Port Flows Over 485 cfm
24 ° Valve Angle
100 % CNC Ported
2.400 / 1.850 Valve Sizes
10 ° Deck Holes
Copper Intake and Exhaust Seats
Milled for One-Piece Rocker System

H EAD

UNTER series
301 MAPLE AVE . • P . O . BOX 1347 MENA , AR 71953 ( 479 ) 394-1075 • FAX : ( 479 ) 394-1996
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