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AF MAMMOTH HEAD RB20 (66MM)
SMALL BLOCK STUD SPACING
(ORDER HEAD COWL SEPARATELY)AF Mammoth Head
The New AF Mammoth Head is a direct replacement for the standard sized cylinder heads but offers a significantly la...61 in stock£93.46
AF MAMMOTH HEAD 200CC (66MM)
(ORDER HEAD COWL SEPARATELY)AF Mammoth Head
The New AF Mammoth Head is a direct replacement for the standard sized cylinder heads but offers a significantly la...7 in stock£93.46
AF MAMMOTH HEAD 225CC (70MM)
(ORDER HEAD COWL SEPARATELY)AF Mammoth Head
The New AF Mammoth Head is a direct replacement for the standard sized cylinder heads but offers a significantly la...4 in stock£93.46
AF MAMMOTH HEAD 250CC (72MM)
(ORDER HEAD COWL SEPARATELY)
BIGAF Mammoth Head
The New AF Mammoth Head is a direct replacement for the standard sized cylinder heads but offers a significantly la...2 in stock£93.46
RB20 CYLINDER HEAD ORIGINAL
MACHINED FROM 150CC HEAD
(BSSO RACE ONLY)FOR BSSO PRODUCTION CLASS THE RB20 CAN ONLY BE RUN WITH THIS TYPE OF HEAD. THE CENTRE SQUISH HEAD AND THE MAMMOTH RB20 HEAD ARE NOT...0 in stock£45.95
